8
self-contained(adjective, person, quiet, gentle, avoid)
8
unsocial(adjective, person, cool, avoid, cold)
7
retiring(adjective, person, quiet, cool, avoid)
7
unapproachable(adjective, quiet, cool, attitude, cold)
6
closemouthed(adjective, close, quiet, soft, low)
6
dumb(adjective, close, quiet, soft, low)
6
evasive(adjective, shy, reserved, reticent, silent)
6
standoffish(noun, adjective, quiet, cool, attitude)
6
uncompanionable(adjective, person, close, quiet, gentle)
6
undemonstrative(adjective, close, quiet, cool, gentle)
6
unforthcoming(adjective, quiet, cool, cold, restrained)
5
close-lipped(adjective, quiet, reserved, secret, private)
5
dissociable(adjective, person, avoid, asocial, dissocial)
5
inarticulate(adjective, quiet, awkward, still, confused)
5
morose(adjective, bad mood)
5
unconversable(adjective, person, avoid, asocial, dissocial)
5
unresponsive(adjective, indifferent, restrained, shy, detached)
4
buttoned up(verb, expression, adjective, phrasal verb, close)
4
discreet(adjective, quiet, soft, low, restrained)
4
indifferent(adjective, quiet, cool, restrained, unfriendly)
10 years ago|11k views|share |citing 
APASmart Define. (2016). uncommunicative thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/uncommunicative/thesaurus/synonyms
ChicagoSmart Define. 2016. "uncommunicative thesaurus" https://smartdefine.org/uncommunicative/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2016, uncommunicative thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/uncommunicative/thesaurus/synonyms>.
MLASmart Define. "uncommunicative thesaurus" 24 March 2016. Web. 24 September 2026. <https://smartdefine.org/uncommunicative/thesaurus/synonyms>