5
uncustomary(adjective, excellent, unusual, strange, special)
5
varying(adjective, unstable, unsettled, unpredictable, unreliable)
4
anarchistic(adjective, unusual, strange, unique, chaotic)
4
changing(adjective, rough, changeable, uneven, fickle)
4
contorted(adjective, deformed)
4
deviate(verb, extraordinary, strange, exceptional, nonstandard)
4
disparate(adjective, rough, strange, odd, different)
4
dissimilar(adjective, different, contrary, uneven, unbalanced)
4
diverse(adjective, different, contrary, uneven, unbalanced)
4
episodic(adjective, intermittent)
4
flawed(adjective, deformed)
4
immethodical
4
impulsive(adjective, lively, active, unstable, chance)
4
inchoate(adjective, character, detached, vague, chaotic)
4
incorrect(adjective, wrong, false, awkward, unsuitable)
4
indefinite(adjective, doubtful, vague, hesitant, unsure)
4
irresolute(adjective, unstable, doubtful, unsettled, vague)
4
kooky(adjective, extraordinary, unusual, wild, strange)
4
loose(adjective, chaotic)
4
messy(adjective, confused, untidy, chaotic, random)
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APASmart Define. (2016). irregular thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/irregular/thesaurus/synonyms
ChicagoSmart Define. 2016. "irregular thesaurus" https://smartdefine.org/irregular/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2016, irregular thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/irregular/thesaurus/synonyms>.
MLASmart Define. "irregular thesaurus" 1 April 2016. Web. 21 September 2026. <https://smartdefine.org/irregular/thesaurus/synonyms>