69 entries under reserved topic. ×

2
withdrawn(adjective, quiet, gentle, aloof)
1
antisocial(adjective, aloof, reticent, uncommunicative)
1
bashful(quiet, gentle, restrained, aloof, peaceful)
1
brooding(aloof, reticent, uncommunicative)
1
buttoned up(expression, adjective, close, quiet, smooth)
1
cautious(quiet, gentle, aloof, peaceful)
1
cold(quiet, gentle, aloof, reticent)
1
collected(quiet, gentle, aloof, peaceful)
1
cool(adjective, quiet, gentle, aloof)
1
curt(aloof, reticent, taciturn, uncommunicative)
1
demure(adjective, quiet, gentle, aloof, peaceful)
1
dour(aloof, reticent, uncommunicative)
1
dried-up(aloof, reticent, uncommunicative)
1
dumb(adjective, close, quiet, soft, low)
1
formal(adjective, quiet, gentle, aloof)
1
laconic(aloof, reticent, uncommunicative)
1
mild(quiet, gentle, aloof, peaceful)
1
noncommittal(adjective, quiet, gentle, aloof, peaceful)
1
offish(quiet, gentle, aloof, reticent)
1
on the QT(expression, idiom, reticent, taciturn)
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APASmart Define. (2015). close-mouthed thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/close-mouthed/thesaurus/synonyms
ChicagoSmart Define. 2015. "close-mouthed thesaurus" https://smartdefine.org/close-mouthed/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, close-mouthed thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/close-mouthed/thesaurus/synonyms>.
MLASmart Define. "close-mouthed thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/close-mouthed/thesaurus/synonyms>