2
frigid(adjective, quiet, gentle, aloof, reserved)
2
furtive(mysterious, private, reticent, concealment, uncommunicative)
2
gloomy(adjective, low, miserable, depressed, pessimistic)
2
gruff(low, gloomy, miserable, depressed, ugly)
2
habitually reserved
2
habitually silent
2
habitually uncommunicative
2
icy(adjective, quiet, gentle, aloof, reserved)
2
incommunicable(adjective, quiet, restraint, sounds, tightlipped)
2
indifferent(adjective, quiet, cool, detached, thoughtful)
2
inhibited(adjective, close, quiet, restrained, still)
2
introverted(adjective, quiet, restrained, thoughtful, reserved)
2
morose(adjective, low, miserable, depressed, pessimistic)
2
noncommunicative
2
phlegmatic(adjective, cool, unfriendly, blank, aloof)
2
quiescent(adjective, close, quiet, soft, low)
2
restrained(adjective, close, quiet, soft, low)
2
saying little
2
self-contained(adjective, quiet, cool, unfriendly, blank)
2
serious
11 years ago|16k views|share |citing 
APASmart Define. (2015). taciturn thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/taciturn/thesaurus/synonyms
ChicagoSmart Define. 2015. "taciturn thesaurus" https://smartdefine.org/taciturn/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, taciturn thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/taciturn/thesaurus/synonyms>.
MLASmart Define. "taciturn thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/taciturn/thesaurus/synonyms>