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Irregular synonyms

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Not equal, as in size, length, or quality.
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  1. Not equal, as in size, length, or quality.
  2. Not uniform; varying; fluctuating
  3. Not even
Relating to, affected by, or having the character of a spasm; convulsive.
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  1. Relating to, affected by, or having the character of a spasm; convulsive.
  2. Given to sudden outbursts of energy or feeling; excitable.
  3. Of, having the nature of, like, or characterized by a spasm or spasms; sudden, violent, and temporary; fitful; intermittent
Irregular; unsteady; characterized by fits.
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  1. Irregular; unsteady; characterized by fits.
  2. Characterized by irregular or intermittent activity, impulses, etc.; spasmodic; restless
Liable to vary or change; not dependable or reliable
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  1. Liable to vary or change; not dependable or reliable
  2. Not known for certain; questionable.
  3. Subject to change; variable:
(Geol.) Designating a boulder or rock formation transported some distance from its original source, as by a glacier
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  1. (Geol.) Designating a boulder or rock formation transported some distance from its original source, as by a glacier
  2. Deviating from the customary course in conduct or opinion; eccentric:
  3. Having no fixed or regular course; wandering:
(Biology) Tending to exhibit genetic variation or variation in a physical trait:
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  1. (Biology) Tending to exhibit genetic variation or variation in a physical trait:
  2. A factor or condition that is subject to change, especially one that is allowed to change in a scientific experiment to test a hypothesis.
  3. Likely to change or vary; subject to variation; changeable.
Deviating from what is normal or typical
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  1. Deviating from what is normal or typical
  2. Deviating from what is typical for a specified thing:
  3. Deviating from what is considered proper or normal:
(Statistics) Of statistical sample selection in which all possible samples have equal probability of selection
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  1. (Statistics) Of statistical sample selection in which all possible samples have equal probability of selection
  2. Having no specific pattern, purpose, or objective:
  3. (Mathematics & Statistics) Of or relating to a type of circumstance or event that is described by a probability distribution.
Not stable or fixed; changeable; uncertain
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  1. Not stable or fixed; changeable; uncertain
  2. Likely to change or vary; variable:
  3. Uncertain or doubtful:
Not constant; changeable
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  1. Not constant; changeable
  2. Not uniform in nature, value, etc.; irregular; variable
  3. Changing or varying, especially often and without discernible pattern or reason.
Erratic in habits, purpose, or behavior
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  1. Erratic in habits, purpose, or behavior
  2. Not firm or stable; shaky
  3. Not even or regular; wavering:
Consisting of fragments; not complete; disconnected
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  1. Consisting of fragments; not complete; disconnected
  2. Consisting of small, disconnected parts:
Being a factor that makes something possible; being a cause of something.
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  1. Being a factor that makes something possible; being a cause of something.
  2. Created for a special occasion:
  3. Intended for use as the occasion requires:
Situated or placed at rather wide intervals, as in time or space:
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  1. Situated or placed at rather wide intervals, as in time or space:
  2. Not frequent; not happening frequently.
  3. Not occurring regularly; occasional or rare:
(Anat.) Turning back in the opposite direction
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  1. (Anat.) Turning back in the opposite direction
  2. Appearing or occurring again or periodically
  3. (Anatomy) Turning in a reverse direction. Used of blood vessels and nerves.
Alternately containing and empty of water:
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  1. Alternately containing and empty of water:
  2. Stopping and starting at intervals.
  3. Stopping and starting at intervals; pausing from time to time; periodic
(Mathematics) Relating to a function that contains one or more points where the function is either discontinuous or undefined.
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  1. (Mathematics) Relating to a function that contains one or more points where the function is either discontinuous or undefined.
  2. Consisting of distinct or unconnected elements, such as the physical features of a landscape.
  3. Being without sequential order or coherent form.
Occurring at irregular intervals or in isolated or scattered places; having no pattern or order:
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  1. Occurring at irregular intervals or in isolated or scattered places; having no pattern or order:
  2. (Medicine) Not epidemic, endemic, or inherited. Used of a disease or condition:
  3. Widely separated from others, scattered, or isolated in occurrence; appearing singly, apart, or in isolated instances
Varying in color or appearance when seen from different angles:
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  1. Varying in color or appearance when seen from different angles:
  2. Subject to sudden or frequent changes.
  3. That can change or be changed; likely or tending to change; variable; alterable; fickle
Characterized by, arising from, or subject to caprice; impulsive or unpredictable:
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  1. Characterized by, arising from, or subject to caprice; impulsive or unpredictable:
  2. Characterized by or resulting from caprice, inconsistency in feeling or purpose, a whim, or an unpredictable or impulsive behavior. See also arbitrary.
  3. Subject to caprices; tending to change abruptly and without apparent reason; erratic; flighty
Suited for everyday wear or informal use:
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  1. Suited for everyday wear or informal use:
  2. Employed on an irregular basis:
  3. Being or occurring between sexual partners who are not in an established relationship:
  1. Not reliable.
  2. Marked by or exhibiting a lack of reliability.
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  1. Unable to be predicted.
  2. Difficult to foretell or foresee:
(Slang) Foolish; silly:
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  1. (Slang) Foolish; silly:
  2. Characterized by jerks or jerking:
  3. Characterized or moving by jerks; making sudden starts and stops or spasmodic movements
Going alternately up and down, to and fro, etc.
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  1. Going alternately up and down, to and fro, etc.
  2. Characterized by or exhibiting an alternating upward and downward movement.
  3. Variable; fluctuating
(disputed) Unusual.
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  1. (disputed) Unusual.
  2. Remarkable; extraordinary:
  3. Characteristic only of a particular category or entity:
Not according to the usual custom or regular plan
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  1. Not according to the usual custom or regular plan
  2. Employed or used for a special service, function, or occasion:
  3. Highly exceptional; remarkable:
Not adhering to convention; out of the ordinary.
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  1. Not adhering to convention; out of the ordinary.
  2. Out of the ordinary
  3. Not conventional; not conforming to customary, formal, or accepted practices, standards, rules, etc.
Breaking with convention or tradition; not orthodox.
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  1. Breaking with convention or tradition; not orthodox.
  2. Unusual, unconventional, or idiosyncratic
Being or seeming to be inconsistent, contradictory, or improper
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  1. Being or seeming to be inconsistent, contradictory, or improper
  2. Deviating from the regular arrangement, general rule, or usual method; abnormal
  3. Deviating from the normal or common order, form, or rule.
Not included in nature; artificial:
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  1. Not included in nature; artificial:
  2. Characterized by a lack of the emotions, attitudes, or behavior regarded as natural, normal, or right
  3. Not in accordance with what usually occurs in nature:
Not normal; not average; not typical; not usual; irregular, esp. to a considerable degree
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  1. Not normal; not average; not typical; not usual; irregular, esp. to a considerable degree
  2. Not typical, usual, or regular; not normal; deviant.
Not ordinary or usual; odd or strange:
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  1. Not ordinary or usual; odd or strange:
  2. Belonging distinctively or primarily to one person, group, or kind; special or unique:
  3. Particular; unique; special
Not of one's own or a particular locality, environment, or kind; not native:
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  1. Not of one's own or a particular locality, environment, or kind; not native:
  2. Quite unusual or uncommon; extraordinary
  3. Not previously known; unfamiliar:
Not in keeping with conventional mores; indecorous:
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  1. Not in keeping with conventional mores; indecorous:
  2. Contrary to good taste or decency; indecorous
  3. Not in accordance with the truth, fact, or rule; wrong; incorrect
Of questionable character:
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  1. Of questionable character:
  2. Arousing doubt; doubtful:
  3. Feeling doubt; hesitating; skeptical
Having or marked by bends, curves, or angles.
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  1. Having or marked by bends, curves, or angles.
  2. Not straight; bent; curved; askew
  3. At an irregular or improper angle; askew:
Departing from the correct or accepted way; erring:
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  1. Departing from the correct or accepted way; erring:
  2. Deviating from the straight or direct course; roundabout:
  3. Away from a main road or course; distant or removed.
  1. Not symmetrical.
  2. (Of a question) Presenting a false dilemma, or a choice between two things which are not opposites.
Not smooth or level:
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  1. Not smooth or level:
  2. Having ill-matched opponents:
  3. Not level, smooth, or flat; rough; irregular
Having unbalanced sides or parts; asymmetric.
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  1. Having unbalanced sides or parts; asymmetric.
  2. Consisting of ill-matched opponents:
  3. Not even, regular, or uniform; variable; fluctuating
Having many crags; steep and rugged
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  1. Having many crags; steep and rugged
  2. Rugged and uneven:
  3. Characterized by rugged, sharp, or coarse features.
(Of a landscape) Abundant in hills; having many hills.
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  1. (Of a landscape) Abundant in hills; having many hills.
  2. Full of hills; rugged, uneven, and rolling
  3. Similar to a hill; steep.
Subdued totally; humbled:
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  1. Subdued totally; humbled:
  2. Having been violated:
  3. Topographically rough; uneven:
(Computing) Of an array, having a different cardinality in each dimension, such that a representation on paper would appear uneven.
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  1. (Computing) Of an array, having a different cardinality in each dimension, such that a representation on paper would appear uneven.
  2. Having sharp projecting points; notched or ragged
  3. Marked by irregular projections and indentations on the edge or surface:
Deviating from what is normal or typical
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  1. Deviating from what is normal or typical
  2. Deviating from what is typical for a specified thing:
  3. Deviating from what is considered proper or normal:
Having a notch or indentation
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  1. Having a notch or indentation
  2. Having notches; toothed; serrated; jagged; erose.
Having sawlike notches along the edge, as some leaves
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  1. Having sawlike notches along the edge, as some leaves
  2. Having a saw-toothed edge or margin notched with toothlike projections:
  3. Forming a row of small sharp projections resembling the teeth of a saw:
Not exactly circular in shape or motion
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  1. Not exactly circular in shape or motion
  2. Not having the same center, as two circles one inside the other
  3. Deviating from a circular form or path, as in an elliptical orbit.
Containing or characterized by ellipsis.
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  1. Containing or characterized by ellipsis.
  2. Marked by deliberate obscurity of style or expression.
  3. Of or relating to extreme economy of oral or written expression.
Being flat and in the shape of a twice-symmetrical ellipse; oval.
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  1. Being flat and in the shape of a twice-symmetrical ellipse; oval.
  2. Of, or showing ellipsis; having a word or words omitted.
  3. (Mathematics, rare) Alternative form of elliptic.
Covered with or full of bumps:
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  1. Covered with or full of bumps:
  2. Marked by bumps and jolts; rough:
  3. Rough; jumpy; causing or characterized by jolts and irregular movements
Set in a course; bound
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  1. Set in a course; bound
  2. Made curved or crooked; not straight
  3. Altered from an originally straight or even condition:
Not made of crystals. Glass, amber, and plastics are amorphous substances.
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  1. Not made of crystals. Glass, amber, and plastics are amorphous substances.
  2. (Biol.) Without definite or specialized structure, as some lower forms of life
  3. Lacking a definite form or clear shape
Designating or involving an interest rate, as on a mortgage loan, that varies over time according to some predetermined formula
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  1. Designating or involving an interest rate, as on a mortgage loan, that varies over time according to some predetermined formula
  2. Likely to change or vary; subject to variation; changeable.
  3. A factor or condition that is subject to change, especially one that is allowed to change in a scientific experiment to test a hypothesis.
Tending to wobble; unsteady.
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  1. Tending to wobble; unsteady.
  2. Inclined to wobble; shaky
Rough
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  1. Rough
  2. Covered with lumps; having an uneven surface
  3. Covered or filled with lumps.
Not physical balanced; not having physical equilibrium.
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  1. Not physical balanced; not having physical equilibrium.
  2. (Idiomatic, of a person) surprised; perplexed
Out of balance
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  1. Out of balance
  2. Not in the exact center
Bulging or swelling out; protruding; prominent
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  1. Bulging or swelling out; protruding; prominent
  2. Swelling outward; bulging.
Not balanced; uneven
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  1. Not balanced; uneven
  2. Not even or balanced; not the same on one side as on the other.
Having pockmarks.
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Having crinkles
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(Idiomatic) Not in a proper or pleasing relation to other things, especially in terms of size.
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  1. (Idiomatic) Not in a proper or pleasing relation to other things, especially in terms of size.
Not finished or complete; lacking in something
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  1. Not finished or complete; lacking in something
  2. (Botany) Having either stamens or a pistil only. Used of a flower.
  3. (Gram.) In certain inflected languages, designating or of the tense of a verb that indicates a past action or state as uncompleted, continuous, customary, or going on at the same time as another: “was writing” and “used to write” are English forms corresponding to the imperfect tense in such languages
Intoxicated; drunk.
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  1. Intoxicated; drunk.
  2. Silly; ridiculous; foolish
  3. (Slang) Tilted to one side; crooked; awry
Characterized by an imbalance in power between two opponents in an armed conflict, especially one in which a weaker force uses unconventional means, such as guerilla or terrorist tactics:
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  1. Characterized by an imbalance in power between two opponents in an armed conflict, especially one in which a weaker force uses unconventional means, such as guerilla or terrorist tactics:
  2. Having no balance or symmetry:
  3. (Chemistry) Of or relating to a carbon atom having four different atoms or structural groups attached to it, resulting in an unbalanced spatial arrangement of atoms in a molecule, so that the molecule cannot be superimposed on its mirror image; chiral.
  1. Not symmetrical.
  2. (Of a question) Presenting a false dilemma, or a choice between two things which are not opposites.
Deviating from what is typical for a specified thing:
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  1. Deviating from what is typical for a specified thing:
  2. Deviating from what is normal or typical
  3. Deviating from what is considered proper or normal:
Not normal; not average; not typical; not usual; irregular, esp. to a considerable degree
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  1. Not normal; not average; not typical; not usual; irregular, esp. to a considerable degree
  2. Not typical, usual, or regular; not normal; deviant.
(Astronomy) Of or pertaining to an anomaly (angle of a body from its perihelion)
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  1. (Astronomy) Of or pertaining to an anomaly (angle of a body from its perihelion)
  2. Tending to be anomalous
  3. Anomalous
Being or seeming to be inconsistent, contradictory, or improper
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  1. Being or seeming to be inconsistent, contradictory, or improper
  2. Deviating from the regular arrangement, general rule, or usual method; abnormal
  3. Deviating from the normal or common order, form, or rule.
Part or all of this entry has been imported from the 1913 edition of Webster's Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
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  1. Part or all of this entry has been imported from the 1913 edition of Webster's Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
  2. That has no type; devoid of typical character; irregular; unlike the type
  1. Unusual or irregular.
  2. Not conforming to the normal type.
  3. Not typical; not characteristic; abnormal
Differing from a norm or from the accepted standards of a society.
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  1. Differing from a norm or from the accepted standards of a society.
  2. Of or pertaining to a deviation; characterized by deviation from an expectation or a social standard.
  3. Deviating, esp. from what is considered normal in a group or for a society
Varying from one another or from a norm; deviating; different
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  1. Varying from one another or from a norm; deviating; different
  2. Drawing apart from a common point; diverging.
  3. Causing divergence
Transcending the natural or material order; supernatural.
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  1. Transcending the natural or material order; supernatural.
  2. Differing from or beyond what is normally found in or expected from nature; abnormal
  3. Surpassing what is normal or usual; extraordinary:
Not in accordance with what usually occurs in nature:
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  1. Not in accordance with what usually occurs in nature:
  2. Characterized by a lack of the emotions, attitudes, or behavior regarded as natural, normal, or right
  3. Contrary to, or at variance with, nature; abnormal; strange

Synonym Study

  • Unnatural applies to that which is contrary to the order of nature or to natural laws an unnatural appetite for chalk
  • Abnormal and anomalous imply deviation from the normal condition or from the ordinary type, abnormal stressing atypical form or character a man of abnormal height, and anomalous, stressing an exceptional condition or circumstance in the anomalous position of a leader without followers
  • Irregular implies deviation from the customary or established rule, procedure, etc. irregular conduct
Find another word for irregular. In this page you can discover 111 synonyms, antonyms, idiomatic expressions, and related words for irregular, like: scarred, uneven, spasmodic, fitful, uncertain, erratic, variable, aberrant, random, unsettled and inconstant.