108 entries under adjective topic. ×

1
prim(quiet, gentle, aloof, peaceful)
1
quiescent(close, quiet, soft, low)
1
quieted(close, quiet, soft, low)
1
restful(calm, quiet, smooth, tranquil)
1
sealed(calm, quiet, smooth, tranquil)
1
sedate(quiet, gentle, aloof, peaceful)
1
self-controlled
1
self-restrained
1
serene(calm, close, quiet, smooth)
1
smooth(calm, quiet, tranquil, silent)
1
soft(close, quiet, low, peaceful)
1
soft-spoken(quiet, gentle, aloof, peaceful)
1
soundless(close, quiet, smooth, soft)
1
speechless(close, quiet, soft, low)
1
stable(calm, quiet, smooth, tranquil)
1
stagnant(calm, quiet, smooth, tranquil)
1
standoffish(quiet, gentle, aloof, reserved)
1
static(calm, quiet, smooth, tranquil)
1
stationary(calm, quiet, smooth, tranquil)
1
still(calm, close, quiet, soft)
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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>