79 entries under adjective topic. ×

11
irregular(variable, random)
7
unusual(bad, common, different)
5
abnormal(common, normal)
5
special(common, uncertain, ordinary, uncommon)
4
anomalous(usual, normal)
4
uncommon(ordinary, different, commonplace)
4
diverse
4
eccentric(reasonable, unusual, conventional, bizarre)
4
erratic(calm, unpredictable, consistent, wandering)
4
occasional(irregular, sporadic)
4
strange(bad, poor, boring, unfamiliar)
3
rare(exceptional, infrequent)
3
atypical
3
extraordinary
3
strong
3
capricious
3
disorderly
3
exceptional
3
fitful(irregular, sporadic)
3
peculiar(odd, bizarre)
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APASmart Define. (2016). regular thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/regular/thesaurus/antonyms
ChicagoSmart Define. 2016. "regular thesaurus" https://smartdefine.org/regular/thesaurus/antonyms (accessed September 20, 2026).
HarvardSmart Define 2016, regular thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/regular/thesaurus/antonyms>.
MLASmart Define. "regular thesaurus" 23 March 2016. Web. 20 September 2026. <https://smartdefine.org/regular/thesaurus/antonyms>