73 entries under adjective topic. ×

17
reserved(close, quiet, soft, low)
17
reticent(close, quiet, soft, low)
15
taciturn(close, quiet, soft, low)
13
mum(quiet, restrained, aloof, reserved)
13
secretive(close, quiet, soft, low)
12
quiet(close, soft, severe, low)
12
silent(close, quiet, soft, low)
11
uncommunicative(close, quiet, soft, low)
10
close(quiet, soft, severe, low)
10
mute(close, quiet, soft, low)
7
close-mouthed(close, quiet, soft, low)
6
closemouthed(quiet, shy, reserved, secret)
6
dumb(close, quiet, soft, low)
5
curt(aloof, reserved, reticent, taciturn)
5
speechless(close, quiet, soft, low)
5
unforthcoming(quiet, restrained, aloof, reserved)
4
buttoned up(expression, close, quiet, soft)
4
close-lipped(quiet, reserved, secret, private)
4
tongue-tied(quiet, shy, reticent, silent)
4
wordless(quiet, silent, dazed, dumb)
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APASmart Define. (2015). tight-lipped thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/tight-lipped/thesaurus/synonyms
ChicagoSmart Define. 2015. "tight-lipped thesaurus" https://smartdefine.org/tight-lipped/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, tight-lipped thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/tight-lipped/thesaurus/synonyms>.
MLASmart Define. "tight-lipped thesaurus" 14 April 2015. Web. 28 September 2026. <https://smartdefine.org/tight-lipped/thesaurus/synonyms>