69 entries under reserved topic. ×

16
taciturn(adjective, close, quiet, soft, low)
11
reticent(adjective, close, quiet, soft, low)
11
silent(adjective, close, quiet, smooth, soft)
10
uncommunicative(adjective, close, quiet, soft, low)
8
secretive(adjective, close, quiet, soft, low)
7
tight-lipped(adjective, close, quiet, soft, low)
6
quiet(adjective, close, soft, gentle, low)
4
close(adjective, quiet, soft, low, restraint)
4
mum(adjective, quiet, restrained, aloof)
3
guarded(adjective, mysterious, private, reticent)
3
mute(adjective, close, quiet, soft, low)
2
aloof(adjective, quiet, gentle, reticent)
2
clammed up(expression, adjective, close, quiet, smooth)
2
distant(adjective, quiet, gentle, aloof)
2
frigid(adjective, quiet, gentle, aloof)
2
icy(adjective, quiet, gentle, aloof)
2
restrained(adjective, quiet, soft, gentle, low)
2
retiring(adjective, quiet, gentle, aloof)
2
undemonstrative(adjective, quiet, gentle, aloof, peaceful)
2
unresponsive(adjective, quiet, gentle, aloof)
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APASmart Define. (2015). close-mouthed thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/close-mouthed/thesaurus/synonyms
ChicagoSmart Define. 2015. "close-mouthed thesaurus" https://smartdefine.org/close-mouthed/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, close-mouthed thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/close-mouthed/thesaurus/synonyms>.
MLASmart Define. "close-mouthed thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/close-mouthed/thesaurus/synonyms>