37
unusual(adjective, wrong, excellent, extraordinary, strange)
33
erratic(adjective, character, extraordinary, unusual, strange)
31
uneven(adjective, mean, smooth, rough, strange)
31
odd(adjective, wrong, excellent, rough, extraordinary)
27
abnormal(adjective, good, character, wrong, excellent)
25
guerrilla(noun, revolutionary, paramilitary, war man)
24
aberrant(adjective, good, excellent, extraordinary, unusual)
24
anomalous(adjective, good, disorder, wrong, excellent)
23
strange(adjective, wrong, excellent, extraordinary, unusual)
22
capricious(adjective, unusual, strange, lively, uncertain)
22
sporadic(adjective, unusual, special, variable, broken)
21
eccentric(adjective, character, extraordinary, unusual, strange)
21
peculiar(adjective, wrong, excellent, extraordinary, unusual)
20
disorderly(adjective, adverb, disorder, wrong, improper)
20
unconventional(adjective, wrong, unusual, strange, crazy)
20
random(adjective, adverb, insignificant, chance, casual)
19
rough(adjective, mean, coarse, uneven, unbalanced)
18
variable(adjective, rough, lively, uncertain, active)
17
deviant(adjective, good, flat, unusual, strange)
17
unequal(adjective, rough, harsh, coarse, different)
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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>