14 entries under irregular topic. ×

5
frequent(adjective, common, repeated)
4
usual(adjective, new, frequent)
2
repeated
0
faddy
0
iron-fisted
0
ironfisted
0
latest word(expression, exceptional)
0
level(rough, broken, indefinite)
0
looked for(expression, unusual, unreasonable)
0
natural(unusual, unreasonable)
0
nowhere
0
stock
0
unending(broken, finite)
0
without end(expression, restricted, broken)
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APASmart Define. (2015). infrequent thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/infrequent/thesaurus/antonyms
ChicagoSmart Define. 2015. "infrequent thesaurus" https://smartdefine.org/infrequent/thesaurus/antonyms (accessed September 23, 2026).
HarvardSmart Define 2015, infrequent thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/infrequent/thesaurus/antonyms>.
MLASmart Define. "infrequent thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/infrequent/thesaurus/antonyms>