1
hushed(adjective, close, quiet, soft, low)
1
hushful(adjective, close, quiet, soft, low)
1
lamblike(adjective, calm, quiet, humble, silent)
1
lost for words(adjective, calm, quiet, humble, silent)
1
low(adjective, close, quiet, soft, peaceful)
1
low-pitched(adjective, close, quiet, soft, low)
1
meekest(adjective, calm, quiet, humble, silent)
1
muffled(adjective, close, quiet, soft, obscure)
1
muted(adjective, close, quiet, soft, low)
1
muzzled
1
obtuse
1
overawed(adjective, overcome, overwhelmed)
1
overpowered
1
overthrown(adjective, affected, overwhelmed, beaten, overawed)
1
paralysed
1
perplexed
1
puzzled(beat, confused, perplexed, befuddled, amazed)
1
quiescent(adjective, close, quiet, soft, low)
1
quieted(adjective, close, quiet, soft, low)
1
rendered helpless
11 years ago|7.7k views|share |citing 
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>