2
distant(adjective, quiet, gentle, aloof, reserved)
2
frigid(adjective, quiet, gentle, aloof, reserved)
2
icy(adjective, quiet, gentle, aloof, reserved)
2
mysterious(private, reticent)
2
restrained(adjective, quiet, soft, gentle, low)
2
retiring(adjective, quiet, gentle, aloof, reserved)
2
tacit
2
undemonstrative(adjective, quiet, gentle, aloof, peaceful)
2
unresponsive(adjective, quiet, gentle, aloof, reserved)
2
withdrawn(adjective, quiet, gentle, aloof, reserved)
1
antisocial(adjective, aloof, reserved, reticent, uncommunicative)
1
at rest(expression, adjective, calm, quiet, smooth)
1
avoiding contact
1
backstairs(mysterious, private, reticent, taciturn, uncommunicative)
1
bashful(quiet, gentle, restrained, aloof, peaceful)
1
brooding(aloof, reserved, reticent, uncommunicative)
1
buttoned up(expression, adjective, close, quiet, smooth)
1
cagey(quiet, restrained, mysterious, private, reticent)
1
calm(adjective, quiet, smooth, gentle, tranquil)
1
cautious(quiet, gentle, aloof, peaceful, reserved)
11 years ago|7k views|share |citing 
APASmart Define. (2015). close-mouthed thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/close-mouthed/thesaurus/synonyms
ChicagoSmart Define. 2015. "close-mouthed thesaurus" https://smartdefine.org/close-mouthed/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, close-mouthed thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/close-mouthed/thesaurus/synonyms>.
MLASmart Define. "close-mouthed thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/close-mouthed/thesaurus/synonyms>