Synonyms|260Antonyms|102|Broader|0Narrower|0Related|9

59 entries under close topic. ×

2
buttoned up(verb, expression, adjective, quiet)
2
close-mouthed(adjective, quiet, smooth, soft)
2
dumb(verb, adjective, quiet, soft)
2
hushed(adjective, quiet, smooth, soft)
2
mute(verb, adjective, quiet, soft)
2
noiseless(adjective, quiet, smooth, soft)
2
quiet(verb, adjective, soft, suppress)
2
reserved(adjective, quiet, soft, low)
2
reticent(adjective, quiet, soft, low)
2
silent(adjective, quiet, smooth, soft)
2
taciturn(adjective, quiet, soft, low)
2
tight-lipped(adjective, quiet, soft, low)
2
uncommunicative(adjective, quiet, soft, low)
2
unspeaking(adjective, quiet, soft, low)
1
clam up(expression, quiet, gag, quieten)
1
clamming up(expression, quiet, reticent, gag)
1
closed up(verb, expression, adjective, quiet)
1
could hear a pin drop(expression, adjective, idiom, quiet)
1
dried up(expression, quiet, restrained, reserved)
1
dummied up(verb, expression, adjective, quiet)
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APASmart Define. (2013). clammed up thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/clammed_up/thesaurus/synonyms
ChicagoSmart Define. 2013. "clammed up thesaurus" https://smartdefine.org/clammed_up/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2013, clammed up thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/clammed_up/thesaurus/synonyms>.
MLASmart Define. "clammed up thesaurus" 18 May 2013. Web. 22 September 2026. <https://smartdefine.org/clammed_up/thesaurus/synonyms>