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

49 entries under uncommunicative topic. ×

2
buttoned up(verb, expression, adjective, close, quiet)
2
close(verb, adjective, quiet, soft, low)
2
close-mouthed(adjective, close, quiet, smooth, soft)
2
dumb(verb, adjective, close, quiet, soft)
2
hushed(adjective, close, quiet, smooth, soft)
2
mute(verb, adjective, close, quiet, soft)
2
quiet(verb, adjective, close, soft, suppress)
2
reserved(adjective, close, quiet, soft, low)
2
reticent(adjective, close, quiet, soft, low)
2
silent(adjective, close, quiet, smooth, soft)
2
taciturn(adjective, close, quiet, soft, low)
2
tight-lipped(adjective, close, quiet, soft, low)
2
zipped(careful, shy, reticent, ambiguous, taciturn)
1
aloof(reserved, reticent, taciturn)
1
antisocial(aloof, reserved, reticent)
1
backstairs(mysterious, private, reticent, unknowing, taciturn)
1
brooding(aloof, reserved, reticent)
1
cagey(quiet, restrained, mysterious, private, reticent)
1
cold(aloof, reserved, reticent)
1
covert(mysterious, private, reticent, taciturn)
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APASmart Define. (2013). clammed up thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/clammed_up/thesaurus/synonyms
ChicagoSmart Define. 2013. "clammed up thesaurus" https://smartdefine.org/clammed_up/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2013, clammed up thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/clammed_up/thesaurus/synonyms>.
MLASmart Define. "clammed up thesaurus" 18 May 2013. Web. 24 September 2026. <https://smartdefine.org/clammed_up/thesaurus/synonyms>