25
rarely(adverb, regularly, seldom)
15
occasionally
11
seldom(adverb, infrequently)
9
sometimes
8
infrequently(adverb, regularly, seldom)
6
never
5
periodically
4
unusually
3
little(adverb, much, infrequently)
3
sporadically
2
surprisingly
2
variably
2
weirdly
1
now and then(expression, idiom)
1
exceptionally
1
apiece
1
once in a while(expression, idiom)
0
acutely
0
atypically
0
hardly(adverb, very)
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APASmart Define. (2015). frequently thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/frequently/thesaurus/antonyms
ChicagoSmart Define. 2015. "frequently thesaurus" https://smartdefine.org/frequently/thesaurus/antonyms (accessed September 22, 2026).
HarvardSmart Define 2015, frequently thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/frequently/thesaurus/antonyms>.
MLASmart Define. "frequently thesaurus" 6 July 2015. Web. 22 September 2026. <https://smartdefine.org/frequently/thesaurus/antonyms>