26
voiceless(adjective, quiet, awkward, still, silent)
23
mute(adjective, close, quiet, soft, low)
21
dumb(adjective, calm, close, quiet, beat)
20
wordless(adjective, calm, quiet, humble, silent)
19
taciturn(noun, adjective, calm, close, quiet)
18
inarticulate(adjective, calm, quiet, humble, silent)
16
silent(adjective, calm, close, quiet, soft)
13
mum(adjective, quiet, aloof, reserved, reticent)
13
shocked(adjective, beat, awkward, confused, silent)
13
tongue-tied(adjective, calm, quiet, humble, silent)
11
dumbfounded(adjective, overcome, awkward, confused, silent)
11
thunderstruck(adjective, beat, confused, amazed, astonished)
9
dumbstruck(adjective, awkward, silent, perplexed, befuddled)
9
dazed(adjective, overcome, awkward, confused, silent)
9
quiet(adjective, close, soft, low, still)
8
dumfounded(adjective, dumbfounded)
6
aphonic(adjective, silent, astonished, thunderstruck, flabbergasted)
6
overcome(adjective, beat, confused, dazed, amazed)
6
tongueless(adjective, silent, voiceless, aphony)
6
aghast(adjective, beat, awkward, confused, silent)
<1234510>
11 years ago|7.7k views|share |citing 
APASmart Define. (2015). speechless thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/speechless/thesaurus/synonyms
ChicagoSmart Define. 2015. "speechless thesaurus" https://smartdefine.org/speechless/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, speechless thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/speechless/thesaurus/synonyms>.
MLASmart Define. "speechless thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/speechless/thesaurus/synonyms>