7 entries under usual topic. ×

17
rarely(adverb, barely, infrequency)
14
seldom(adverb, barely, infrequency)
13
occasionally(expression, adverb, time, moment)
11
sporadically(adverb, simply, somewhat, barely)
9
little(adverb, barely)
0
hardly ever(idiom, adverb)
0
once in a blue moon(idiom, adverb)
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APASmart Define. (2015). infrequently thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/infrequently/thesaurus/synonyms
ChicagoSmart Define. 2015. "infrequently thesaurus" https://smartdefine.org/infrequently/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, infrequently thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/infrequently/thesaurus/synonyms>.
MLASmart Define. "infrequently thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/infrequently/thesaurus/synonyms>