56 entries under quiet topic. ×

3
secretive(adjective, cool, cold, restrained)
2
close-lipped(adjective, reserved, secret, private)
2
cool(adjective, cold, sensitive, shy)
2
disinterested(adjective, person, detached, thoughtful)
2
mum(adjective, close, restrained, aloof)
2
offish(adjective, person, restrained, detached)
2
undemonstrative(adjective, restrained, detached, thoughtful)
1
buttoning up(expression, adjective, reserved, secret)
1
cagey(adjective, restrained, mysterious, reticent)
1
clammed up(expression, adjective, reticent, taciturn)
1
clamming up(expression, adjective, reserved, secret)
1
closemouthed(adjective, reserved, secret, private)
1
dried up(expression, adjective, restrained, reserved)
1
dummied up(expression, adjective, restrained, reticent)
1
hidden(adjective, reserved, secret, private)
1
hush-hush(adjective, reserved, secret, private)
1
nongregarious(adjective, cool, cold, restrained)
1
reclusive(adjective, cool, cold, restrained)
1
retired(adjective, restrained, thoughtful, reserved)
1
secluded(adjective, reserved, secret, private)
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APASmart Define. (2016). unforthcoming thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/unforthcoming/thesaurus/synonyms
ChicagoSmart Define. 2016. "unforthcoming thesaurus" https://smartdefine.org/unforthcoming/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2016, unforthcoming thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/unforthcoming/thesaurus/synonyms>.
MLASmart Define. "unforthcoming thesaurus" 24 March 2016. Web. 26 September 2026. <https://smartdefine.org/unforthcoming/thesaurus/synonyms>