235 entries under restrained topic. ×

2
clammed up(expression, adjective, close, quiet, soft)
2
even-tempered(adjective, reasonable, self-controlled, unexcitable)
2
gingerly(adjective, hesitant, cautious, suspicious)
2
grave(adjective, calm, sensible, thoughtful)
2
hard-hearted(adjective, calm, person, indifferent, feelings)
2
hesitant(adjective, quiet, simple, gentle)
2
hushed(adjective, close, quiet, soft, low)
2
impartial(adjective, calm, soft, reasonable, gentle)
2
inconspicuous(adjective, modest, humble, unassertive)
2
incurious(adjective, indifferent, detached, casual)
2
lukewarm(adjective, calm, cool, indifferent)
2
mean(adjective, reasonable, sensible, modest)
2
muted(adjective, calm, close, quiet, soft)
2
offhand(adjective, person, cool, indifferent, negative)
2
phlegmatic(adjective, cool, indifferent, detached)
2
safe(adjective, reasonable, firm, sensible, solid)
2
self-restrained(adjective, quiet, reasonable, gentle, restraint)
2
serious(adjective, calm, sensible, modest)
2
temperate(adjective, calm, quiet, soft, reasonable)
2
unimpassioned(adjective, calm, cool, reasonable, moderate)
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ChicagoSmart Define. 2016. "reserved thesaurus" https://smartdefine.org/reserved/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2016, reserved thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/reserved/thesaurus/synonyms>.
MLASmart Define. "reserved thesaurus" 24 March 2016. Web. 25 September 2026. <https://smartdefine.org/reserved/thesaurus/synonyms>