Part of speech:
(Informal) Doubtful; suspicious
Departing from a recognized, conventional, or established norm or pattern.
(Botany) Having differing floral parts, as of a zygomorphic or asymmetric flower.
Insistent upon having one's own way; headstrong, willful, disobedient, etc.
The definition of aberrant is something that does not follow the correct or expected course or something that is not typical or normal.
The definition of fallible is capable of making mistakes or errors.
Created in the fancy; imaginary; not real
Not of one's own or a particular locality, environment, or kind; not native:
Eccentric or irrational:
The definition of a whim is a sudden desire to do something that wasn't planned.
Subject to caprices; tending to change abruptly and without apparent reason; erratic; flighty
Extended over an irregular area; sprawling:
The definition of changeable is something that can be altered, or is something that may change appearance or format.
The definition of bizarre is a very strange person or thing.
Missing an intended target or recipient:
The definition of nomadic is a person or people who are part of a tribe or group that moves from place to place without a permanent home.
The definition of peculiar is something important or of special interest.
The definition of tangential is something only partially related to a main point, or something that verges slightly off-course.
Not definite or determined; vague
The definition of unstable is something that is prone to changing often, or a person with wild mood swings.
(Obs.) Flying or able to fly; volitant
Exposed to the wind and sea; unsheltered.
An inclination to change one's mind impulsively:
A measure of the deviation of an elliptical path, especially an orbit, from a perfect circle. It is equal to the ratio of the distance between the foci of the ellipse to the length of the major axis of the ellipse (the distance between the two points farthest apart on the ellipse). Eccentricity ranges from zero (for a perfect circle) to values approaching 1 (highly elongated ellipses).
(Countable) An error-generating characteristic.
Exclusive possession or right.
An unpredictable development or change of circumstances:
That can be relied on; dependable; trustworthy
Changing or varying, especially often and without discernible pattern or reason.
(Medicine) Capable of being moved or compressed. Used of an abnormal mass such as a tumor or abscess.
Not straightforward; shifty:
Of or characteristic of a vagrant
The difference between one number in a set and the mean of the set.
Constant, regular, uniform, or continuous; not changing, wavering, or faltering
That cannot be doubted, questioned, or disputed; absolutely true; certain
Capable of being relied on; dependable:
The definition of definite is something that has limits, is clear in meaning, absolutely true and positive.
(Eccles.) Of or belonging to a religious order whose members are bound by vows, specif. solemn vows
The definition of dependable is someone or something who is reliable and trustworthy or who can be counted on.
Straying or having strayed; wandering or lost:
Giving the effect of patches; not consistent or uniform in quality; irregular
Having, occurring in, or marked with spots
Not smooth or level:
Variable is defined as something inconsistent or able to change.
Seemingly impossible; incredible
The definition of fickle is changing your mind easily and often.
The definition of mercurial is changeable or fickle.
Very sensitive or easily upset; touchy
Playful or fanciful, especially in a humorous way:
Located far from civilized areas; remote:
The definition of quaint is something small, old fashioned or charming in a good way.
The definition of quirky is a strange or unique action or personality.
Used to designate such a thing
Abnormally evil or cruel
Strikingly odd or unusual, especially in an unsettling way; strange:
(Describing a person) crazy or insane
Impulsively whimsical; eccentric:
Of or like rum
Without a fixed or regular course
Lacking consistency or regularity in quality or performance
The definition of same is a person or thing which is equal or identical to another.
Following no predictable pattern
In conformity with regular practice or procedure:
Of or like mercury
Find another word for erratic. In this page you can discover 94 synonyms, antonyms, idiomatic expressions, and related words for erratic, like: queer, eccentric, irregular, unusual, wayward, aimless, aberrant, fallible, fanciful, strange and wacky.