49 entries under adjective topic. ×

11
reticent(close, quiet, restrained, still)
10
close(quiet, soft, restrained, still)
10
silent(close, quiet, soft, low)
9
secretive(quiet, still, shy, reserved)
9
taciturn(close, quiet, restrained, still)
8
quiet(soft, low, still, shy)
7
tight-lipped(quiet, shy, reserved, secret)
7
uncommunicative(close, quiet, soft, low)
5
tightlipped
4
close-lipped(quiet, reserved, secret, private)
4
closelipped
4
mum(close, quiet, soft, low)
4
reserved(close, quiet, restrained, still)
4
sedate(reserved, silent)
3
secret(quiet, reserved, private, reticent)
2
airless
2
buttoned up(verb, expression, phrasal verb, quiet)
2
clammed up(verb, expression, phrasal verb, quiet)
2
dummied up(verb, expression, phrasal verb, quiet)
2
hush-hush(quiet, reserved, secret, private)
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APASmart Define. (2015). closemouthed thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/closemouthed/thesaurus/synonyms
ChicagoSmart Define. 2015. "closemouthed thesaurus" https://smartdefine.org/closemouthed/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, closemouthed thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/closemouthed/thesaurus/synonyms>.
MLASmart Define. "closemouthed thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/closemouthed/thesaurus/synonyms>