18 entries under irregular topic. ×
| unusual(adjective, bad, new, common) | |
| abnormal(adjective, new, common, normal) | |
| uncommon(adjective, new, ordinary, different) | |
| strange(adjective, bad, poor, new, boring) | |
| atypical(adjective, new, typical, nonconforming) | |
| eccentric(adjective, reasonable, unusual, new) | |
| exceptional(adjective, common, insignificant, unimportant) | |
| rare(adjective, new, exceptional, infrequent) | |
| different(adjective, new, common, ordinary) | |
| infrequent(adjective, new, frequent, regularly) | |
| new(adjective, common, experienced, additional) | |
| occasional(adjective, new, regular, sporadic) | |
| unconventional(adjective, new, odd, different) | |
| foreign(adjective, new) | |
| original(adjective, new, standard) | |
| unfamiliar(adjective, strange, new, common) | |
| inconstant(adjective, new) | |
| unsteady(adjective, new) |
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| APA | Smart Define. (2016). usual thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/usual/thesaurus/antonyms |
| Chicago | Smart Define. 2016. "usual thesaurus" https://smartdefine.org/usual/thesaurus/antonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, usual thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/usual/thesaurus/antonyms>. |
| MLA | Smart Define. "usual thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/usual/thesaurus/antonyms> |