3
soundless(adjective, close, quiet, soft, low)
3
still(adjective, adverb, close, quiet, soft)
3
struck dumb
3
tongue tied(expression, idiom)
2
buttoned up(expression, adjective, close, quiet, soft)
2
clammed up(expression, adjective, close, quiet, soft)
2
close-mouthed(adjective, close, quiet, soft, low)
2
concise
2
incommunicative(adjective, taciturn)
2
inobtrusive(adjective, quiet, soft, low)
2
peaceful
1
cool as cucumber(expression, adjective, idiom, astonished, thunderstruck)
1
could hear a pin drop(expression, adjective, idiom, close, quiet)
1
economical of words(expression, idiom)
1
indisposed to talk(expression, idiom)
1
not loquacious(expression, idiom)
1
tacit
1
taken aback(expression, adjective, beat, confused, perplexed)
1
unspoken(silent, voiceless)
1
acquiescent(adjective, calm, quiet, humble, silent)
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APASmart Define. (2015). speechless thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/speechless/thesaurus/synonyms
ChicagoSmart Define. 2015. "speechless thesaurus" https://smartdefine.org/speechless/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, speechless thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/speechless/thesaurus/synonyms>.
MLASmart Define. "speechless thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/speechless/thesaurus/synonyms>