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

90 entries under adjective topic. ×

2
buttoned up(verb, expression, close, quiet)
2
close(verb, quiet, soft, low)
2
close-mouthed(close, quiet, smooth, soft)
2
dumb(verb, close, quiet, soft)
2
hushed(close, quiet, smooth, soft)
2
mute(verb, close, quiet, soft)
2
noiseless(close, quiet, smooth, soft)
2
quiet(verb, close, soft, suppress)
2
reserved(close, quiet, soft, low)
2
reticent(close, quiet, soft, low)
2
silent(close, quiet, smooth, soft)
2
taciturn(close, quiet, soft, low)
2
tight-lipped(close, quiet, soft, low)
2
uncommunicative(close, quiet, soft, low)
2
unspeaking(close, quiet, soft, low)
1
at rest(expression, calm, quiet, smooth)
1
calm(verb, quiet, smooth, subdue)
1
closed(calm, quiet, smooth, tranquil)
1
closed up(verb, expression, close, quiet)
1
closemouthed(quiet, soft, still, shy)
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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>