Synonyms|189Antonyms|13|Broader|0Narrower|0Related|82

6 entries under infrequency topic. ×

2
rare(adjective, improbability)
2
unprecedented
1
infrequent
0
few
0
scarce
0
unfrequent
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APASmart Define. (2016). unheard thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/unheard/thesaurus/synonyms
ChicagoSmart Define. 2016. "unheard thesaurus" https://smartdefine.org/unheard/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, unheard thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/unheard/thesaurus/synonyms>.
MLASmart Define. "unheard thesaurus" 18 February 2016. Web. 29 September 2026. <https://smartdefine.org/unheard/thesaurus/synonyms>