17
cold(adjective, calm, person, cool, indifferent)
17
silent(adjective, close, quiet, soft, low)
17
tight-lipped(adjective, close, quiet, soft, low)
16
chilly(adjective, person, attitude, indifferent, feelings)
16
unemotional(adjective, calm, cool, indifferent, restrained)
15
demure(adjective, quiet, simple, pure, modest)
15
formal(adjective, tough, correct, firm, cold)
15
restrained(verb, adjective, calm, close, quiet)
15
unapproachable(adjective, person, close, quiet, cool)
14
antisocial(adjective, company, person, feelings, shy)
14
coy(adjective, person, quiet, feelings, modest)
14
undemonstrative(adjective, calm, quiet, cool, attitude)
13
preserved(verb, adjective, saved, retained, conserved)
13
secretive(adjective, close, quiet, cool, soft)
13
timid(adjective, quiet, cool, simple, cold)
13
unsocial(adjective, person, cool, cold, feelings)
12
backward(adjective, person, quiet, feelings, modest)
11
close(adjective, quiet, soft, low, restraint)
11
controlled(verb, adjective, calm, soft, reasonable)
11
offish(adjective, person, cool, attitude, cold)
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APASmart Define. (2016). reserved thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/reserved/thesaurus/synonyms
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>