Synonyms|86Antonyms|5|Broader|4Narrower|7Related|73
3
unheard(adjective, silent)
1
undetected
1
phonic(adjective, suppressed, spoken)
1
spoken(adjective, suppressed)
1
lingual(adjective, suppressed, spoken)
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APASmart Define. (2016). heard thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/heard/thesaurus/antonyms
ChicagoSmart Define. 2016. "heard thesaurus" https://smartdefine.org/heard/thesaurus/antonyms (accessed September 24, 2026).
HarvardSmart Define 2016, heard thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/heard/thesaurus/antonyms>.
MLASmart Define. "heard thesaurus" 9 February 2016. Web. 24 September 2026. <https://smartdefine.org/heard/thesaurus/antonyms>