7 entries under unusually topic. ×

13
occasionally(expression, adverb, time, moment, usual)
4
exceptionally(adverb, especially, rarely)
4
hardly ever(expression, idiom, adverb, hardly)
1
extra(adverb, hardly, especially, seldom)
1
extremely(adverb, hardly, especially, seldom)
1
remarkably(adverb, hardly, especially, seldom)
1
strangely(adverb, especially, rarely, uncommonly)
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APASmart Define. (2015). infrequently thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/infrequently/thesaurus/synonyms
ChicagoSmart Define. 2015. "infrequently thesaurus" https://smartdefine.org/infrequently/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, infrequently thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/infrequently/thesaurus/synonyms>.
MLASmart Define. "infrequently thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/infrequently/thesaurus/synonyms>