115 entries under quiet topic. ×

2
restrained(adjective, soft, gentle, low)
2
retiring(adjective, gentle, aloof, reserved)
2
undemonstrative(adjective, gentle, aloof, peaceful)
2
unresponsive(adjective, gentle, aloof, reserved)
2
withdrawn(adjective, gentle, aloof, reserved)
1
at rest(expression, adjective, calm, smooth)
1
bashful(gentle, restrained, aloof, peaceful)
1
buttoned up(expression, adjective, close, smooth)
1
cagey(restrained, mysterious, private, reticent)
1
calm(adjective, smooth, gentle, tranquil)
1
cautious(gentle, aloof, peaceful, reserved)
1
closed(adjective, calm, smooth, tranquil)
1
cold(gentle, aloof, reserved, reticent)
1
collected(gentle, aloof, peaceful, reserved)
1
cool(adjective, gentle, aloof, reserved)
1
could hear a pin drop(expression, adjective, idiom, close)
1
deathlike(adjective, calm, smooth, tranquil)
1
deathly(adjective, calm, smooth, tranquil)
1
deathly quiet(expression, adjective, calm, smooth)
1
deathly still(expression, adjective, calm, smooth)
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APASmart Define. (2015). close-mouthed thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/close-mouthed/thesaurus/synonyms
ChicagoSmart Define. 2015. "close-mouthed thesaurus" https://smartdefine.org/close-mouthed/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, close-mouthed thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/close-mouthed/thesaurus/synonyms>.
MLASmart Define. "close-mouthed thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/close-mouthed/thesaurus/synonyms>