1
soft-spoken(adjective, reserved)
1
solemn
1
spontaneous
1
standoffish(adjective, reserved)
1
still
1
stodgy
1
strong-minded
1
strong-willed
1
subdued(calm, quiet, mild, controlled, self-possessed)
1
tasteful(adjective, calm, quiet, reasonable, mild)
1
tolerating
1
tolerative
1
unaffable(adjective, calm, quiet, reasonable, mild)
1
unagitated(adjective, calm, quiet, relaxed, casual)
1
unapproachable(adjective, reserved)
1
uncaring(adjective, attitude, cold, unemotional, calmness)
1
uncommunicative(adjective, reserved)
1
uncompanionable(adjective, reserved)
1
under control(expression, adjective, calm, quiet, reasonable)
1
under wraps(expression, adjective, calm, quiet, reasonable)
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APASmart Define. (2015). self-controlled thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/self-controlled/thesaurus/synonyms
ChicagoSmart Define. 2015. "self-controlled thesaurus" https://smartdefine.org/self-controlled/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, self-controlled thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/self-controlled/thesaurus/synonyms>.
MLASmart Define. "self-controlled thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/self-controlled/thesaurus/synonyms>