16 entries under irregular topic. ×

15
usual(adjective, bad, new, common)
10
normal(adjective, bad, common, usual)
4
frequent(adjective, common, infrequent, repeated)
4
stock(adjective, commonplace)
3
average(noun, adjective, extreme, routine)
3
standard(adjective, bad, common, regular)
2
commonplace(adjective, bad, extraordinary, common, usual)
2
natural
0
button down
0
faddy
0
in order(expression, weak)
0
latest word(expression, exceptional)
0
level(rough, broken, indefinite)
0
looked for(expression, unreasonable)
0
nowhere
0
unnoteworthy(adjective, bad, common)
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APASmart Define. (2016). unusual thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/unusual/thesaurus/antonyms
ChicagoSmart Define. 2016. "unusual thesaurus" https://smartdefine.org/unusual/thesaurus/antonyms (accessed September 27, 2026).
HarvardSmart Define 2016, unusual thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/unusual/thesaurus/antonyms>.
MLASmart Define. "unusual thesaurus" 31 March 2016. Web. 27 September 2026. <https://smartdefine.org/unusual/thesaurus/antonyms>