Lacking consistency or regularity in quality or performance

• variable

  1. Likely to change or vary; subject to variation; changeable.
  2. Inconstant; fickle.
  3. Tending to exhibit genetic variation or variation in a physical trait:

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  1. Likely to change or vary; subject to variation; changeable.
  2. Inconstant; fickle.
  3. Tending to exhibit genetic variation or variation in a physical trait:

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• unsteady

  1. Not firm, solid, or securely in place; unstable.
  2. Fluctuating; changeable:
  3. Not even or regular; wavering:

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  1. Not firm, solid, or securely in place; unstable.
  2. Fluctuating; changeable:
  3. Not even or regular; wavering:

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• uneven

  1. Not equal, as in size, length, or quality.
  2. Having ill-matched opponents:
  3. Not consistent or uniform:

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  1. Not equal, as in size, length, or quality.
  2. Having ill-matched opponents:
  3. Not consistent or uniform:

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• spotty

  1. Lacking consistency, as in quality; uneven.
  2. Having or marked with spots; spotted.

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  1. Lacking consistency, as in quality; uneven.
  2. Having or marked with spots; spotted.

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• patchy

  1. Made up of or marked by patches:
  2. Uneven in quality or performance:

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  1. Made up of or marked by patches:
  2. Uneven in quality or performance:

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• erratic

  1. Having no fixed or regular course; wandering:
  2. Lacking consistency, regularity, or uniformity:
  3. Deviating from the customary course in conduct or opinion; eccentric:

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  1. Having no fixed or regular course; wandering:
  2. Lacking consistency, regularity, or uniformity:
  3. Deviating from the customary course in conduct or opinion; eccentric:

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Following no predictable pattern

• whimsical

  1. Characterized by, arising from, or subject to whimsy:
  2. Playful or fanciful, especially in a humorous way:

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  1. Characterized by, arising from, or subject to whimsy:
  2. Playful or fanciful, especially in a humorous way:

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• volatile

  1. Evaporating readily at normal temperatures and pressures.
  2. Capable of being readily vaporized.
  3. Tending to vary often or widely, as in price:

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  1. Evaporating readily at normal temperatures and pressures.
  2. Capable of being readily vaporized.
  3. Tending to vary often or widely, as in price:

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• variable

  1. Likely to change or vary; subject to variation; changeable.
  2. Inconstant; fickle.
  3. Tending to exhibit genetic variation or variation in a physical trait:

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  1. Likely to change or vary; subject to variation; changeable.
  2. Inconstant; fickle.
  3. Tending to exhibit genetic variation or variation in a physical trait:

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• unsteady

  1. Not firm, solid, or securely in place; unstable.
  2. Fluctuating; changeable:
  3. Not even or regular; wavering:

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  1. Not firm, solid, or securely in place; unstable.
  2. Fluctuating; changeable:
  3. Not even or regular; wavering:

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• unstable

  1. Tending strongly to change:
  2. Not constant; fluctuating:
  3. Wavering or fickle:

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  1. Tending strongly to change:
  2. Not constant; fluctuating:
  3. Wavering or fickle:

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• unpredictable

  1. Difficult to foretell or foresee:
  2. Something difficult or impossible to foretell or foresee.

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  1. Difficult to foretell or foresee:
  2. Something difficult or impossible to foretell or foresee.

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• uncertain

  1. Not known or established; questionable:
  2. Not determined; undecided:
  3. Not having sure knowledge:

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  1. Not known or established; questionable:
  2. Not determined; undecided:
  3. Not having sure knowledge:

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• ticklish

  1. Sensitive to tickling.
  2. Easily offended or upset; touchy.
  3. Requiring skillful or tactful handling; delicate:

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  1. Sensitive to tickling.
  2. Easily offended or upset; touchy.
  3. Requiring skillful or tactful handling; delicate:

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• temperamental

  1. Relating to or caused by temperament:
  2. Excessively sensitive or irritable; moody.
  3. Likely to perform unpredictably; undependable:

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  1. Relating to or caused by temperament:
  2. Excessively sensitive or irritable; moody.
  3. Likely to perform unpredictably; undependable:

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• mercurial

  1. Of or relating to the god Mercury.
  2. Of or relating to the planet Mercury.
  3. Having the characteristics of eloquence, shrewdness, swiftness, and thievishness attributed to the god Mercury.

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  1. Of or relating to the god Mercury.
  2. Of or relating to the planet Mercury.
  3. Having the characteristics of eloquence, shrewdness, swiftness, and thievishness attributed to the god Mercury.

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• inconstant

  1. Changing or varying, especially often and without discernible pattern or reason.
  2. Fickle; faithless.

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  1. Changing or varying, especially often and without discernible pattern or reason.
  2. Fickle; faithless.

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• freakish

  1. Markedly unusual or abnormal; strange:
  2. Relating to or being a freak:
  3. Capricious or whimsical.

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  1. Markedly unusual or abnormal; strange:
  2. Relating to or being a freak:
  3. Capricious or whimsical.

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• fickle

  1. Characterized by erratic changeableness or instability, especially with regard to affections or attachments; capricious.

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  1. Characterized by erratic changeableness or instability, especially with regard to affections or attachments; capricious.

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• fantastical

  1. Of or pertaining to fantasy.
  2. fanciful or whimsical
  3. fantastic

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  1. Of or pertaining to fantasy.
  2. fanciful or whimsical
  3. fantastic

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• fantastic

  1. Based on or existing only in fantasy; unreal:
  2. Strange or fanciful in form, conception, or appearance:
  3. Unrealistic; irrational:

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  1. Based on or existing only in fantasy; unreal:
  2. Strange or fanciful in form, conception, or appearance:
  3. Unrealistic; irrational:

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• erratic

  1. Having no fixed or regular course; wandering:
  2. Lacking consistency, regularity, or uniformity:
  3. Deviating from the customary course in conduct or opinion; eccentric:

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  1. Having no fixed or regular course; wandering:
  2. Lacking consistency, regularity, or uniformity:
  3. Deviating from the customary course in conduct or opinion; eccentric:

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• changeable

  1. Liable to change; capricious:
  2. Being such that alteration is possible:
  3. Varying in color or appearance when seen from different angles:

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  1. Liable to change; capricious:
  2. Being such that alteration is possible:
  3. Varying in color or appearance when seen from different angles:

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• capricious

  1. 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:

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In sharp opposition

• repugnant

  1. Arousing disgust or aversion; offensive or repulsive:
  2. Contradictory; inconsistent.

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  1. Arousing disgust or aversion; offensive or repulsive:
  2. Contradictory; inconsistent.

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• incongruous

  1. Lacking in harmony; incompatible:
  2. Not in agreement, as with principles; inconsistent:
  3. Not in keeping with what is correct, proper, or logical; inappropriate:

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  1. Lacking in harmony; incompatible:
  2. Not in agreement, as with principles; inconsistent:
  3. Not in keeping with what is correct, proper, or logical; inappropriate:

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• incongruent

  1. Not congruent.
  2. Incongruous.

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  1. Not congruent.
  2. Incongruous.

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• incompatible

  1. Not capable of existing in agreement or harmony with something else:
  2. Not capable of living or working together happily or harmoniously; antagonistic:
  3. Impossible to be held simultaneously by one person:

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  1. Not capable of existing in agreement or harmony with something else:
  2. Not capable of living or working together happily or harmoniously; antagonistic:
  3. Impossible to be held simultaneously by one person:

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• discrepant

  1. Marked by discrepancy; disagreeing.

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  1. Marked by discrepancy; disagreeing.

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Made up of parts or qualities that are disparate or otherwise markedly lacking in consistency

• incongruous

  1. Lacking in harmony; incompatible:
  2. Not in agreement, as with principles; inconsistent:
  3. Not in keeping with what is correct, proper, or logical; inappropriate:

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  1. Lacking in harmony; incompatible:
  2. Not in agreement, as with principles; inconsistent:
  3. Not in keeping with what is correct, proper, or logical; inappropriate:

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• incongruent

  1. Not congruent.
  2. Incongruous.

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  1. Not congruent.
  2. Incongruous.

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• incompatible

  1. Not capable of existing in agreement or harmony with something else:
  2. Not capable of living or working together happily or harmoniously; antagonistic:
  3. Impossible to be held simultaneously by one person:

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  1. Not capable of existing in agreement or harmony with something else:
  2. Not capable of living or working together happily or harmoniously; antagonistic:
  3. Impossible to be held simultaneously by one person:

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• dissonant

  1. Harsh and inharmonious in sound; discordant.
  2. Being at variance; disagreeing.
  3. Constituting or producing a dissonance.

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  1. Harsh and inharmonious in sound; discordant.
  2. Being at variance; disagreeing.
  3. Constituting or producing a dissonance.

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• discrepant

  1. Marked by discrepancy; disagreeing.

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  1. Marked by discrepancy; disagreeing.

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• discordant

  1. Not being in accord; conflicting.
  2. Disagreeable in sound; harsh or dissonant.

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  1. Not being in accord; conflicting.
  2. Disagreeable in sound; harsh or dissonant.

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Incompatible

• at variance

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• discrepant

  1. Marked by discrepancy; disagreeing.

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  1. Marked by discrepancy; disagreeing.

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• contradictory

  1. Involving, of the nature of, or being a contradiction:
  2. Given to contradicting:
  3. Either of two propositions related in such a way that it is impossible for both to be true or both to be false.

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  1. Involving, of the nature of, or being a contradiction:
  2. Given to contradicting:
  3. Either of two propositions related in such a way that it is impossible for both to be true or both to be false.

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Changeable

• variable

  1. Likely to change or vary; subject to variation; changeable.
  2. Inconstant; fickle.
  3. Tending to exhibit genetic variation or variation in a physical trait:

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  1. Likely to change or vary; subject to variation; changeable.
  2. Inconstant; fickle.
  3. Tending to exhibit genetic variation or variation in a physical trait:

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• erratic

  1. Having no fixed or regular course; wandering:
  2. Lacking consistency, regularity, or uniformity:
  3. Deviating from the customary course in conduct or opinion; eccentric:

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  1. Having no fixed or regular course; wandering:
  2. Lacking consistency, regularity, or uniformity:
  3. Deviating from the customary course in conduct or opinion; eccentric:

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• self-contradictory

  1. Of statements that contradict themselves, ultimately logically corrupting the statement.

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  1. Of statements that contradict themselves, ultimately logically corrupting the statement.

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