108 entries under adjective topic. ×

16
taciturn(close, quiet, soft, low)
11
reticent(close, quiet, soft, low)
11
silent(close, quiet, smooth, soft)
10
reserved(close, quiet, soft, gentle)
10
uncommunicative(close, quiet, soft, low)
8
secretive(close, quiet, soft, low)
7
tight-lipped(close, quiet, soft, low)
6
quiet(close, soft, gentle, low)
5
incommunicative(quiet, restraint, taciturn, sounds)
4
close(quiet, soft, low, restraint)
4
incommunicable(close, quiet, cold, restraint)
4
mum(quiet, restrained, aloof, reserved)
4
uncommunicable(quiet, restraint, taciturn, sounds)
3
guarded(reserved, mysterious, private, reticent)
3
mute(close, quiet, soft, low)
3
tightlipped(quiet, restraint, taciturn, sounds)
3
unforthcoming(quiet, restrained, aloof, reticent)
2
aloof(quiet, gentle, reserved, reticent)
2
clammed up(expression, close, quiet, smooth)
2
detached(aloof, reticent, standoffish)
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APASmart Define. (2015). close-mouthed thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/close-mouthed/thesaurus/synonyms
ChicagoSmart Define. 2015. "close-mouthed thesaurus" https://smartdefine.org/close-mouthed/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, close-mouthed thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/close-mouthed/thesaurus/synonyms>.
MLASmart Define. "close-mouthed thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/close-mouthed/thesaurus/synonyms>