0
shrewd
0
slighted
0
soft
0
startling
0
stifled
0
subtle
0
sudden
0
unanticipated
0
uncertain
0
uncommon
0
uncommunicative(still, hushed, soundless)
0
unconsidered
0
unconventional
0
undescribed
0
unexampled
0
unforeseen
0
unfrequent
0
unheard of(verb, phrasal verb)
0
unheeded
0
unhoped for(verb, phrasal verb, inexpectation)
10 years ago|2.3k views|share |citing 
APASmart Define. (2016). unheard thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/unheard/thesaurus/synonyms
ChicagoSmart Define. 2016. "unheard thesaurus" https://smartdefine.org/unheard/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, unheard thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/unheard/thesaurus/synonyms>.
MLASmart Define. "unheard thesaurus" 18 February 2016. Web. 28 September 2026. <https://smartdefine.org/unheard/thesaurus/synonyms>