5
cold-blooded(adjective, cool, detached, unfriendly, blank)
5
composed(adjective, calm, close, quiet, cool)
5
dignified
5
disagreeable(adjective, shy, unfriendly, unsociable, bad person)
5
dormant(noun, adjective, secret, sneaky, stealthy)
5
engaged(verb, adjective, occupied, taken, scheduled)
5
glacial(adjective, person, cool, negative, detached)
5
held(verb, adjective, occupied, confined, received)
5
incommunicable(adjective, quiet, restraint, careful, vague)
5
incommunicative(adjective, quiet, restraint, taciturn, sounds)
5
latent(noun, adjective, secret, sneaky, stealthy)
5
misanthropic(adjective, quiet, gentle, cold, standoffish)
5
modified(verb, adjective, big, limited, definite)
5
on ice(noun, expression, adjective, person, cold)
5
poker-faced(adjective, cool, indifferent, detached, casual)
5
prim(adjective, quiet, correct, gentle, modest)
5
removed(verb, adjective, close, quiet, indifferent)
5
serene(adjective, calm, close, quiet, cool)
5
shrinking(adjective, calm, quiet, modest, humble)
5
solemn(adjective, calm, sensible, restrained, modest)
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ChicagoSmart Define. 2016. "reserved thesaurus" https://smartdefine.org/reserved/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, reserved thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/reserved/thesaurus/synonyms>.
MLASmart Define. "reserved thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/reserved/thesaurus/synonyms>