235 entries under restrained topic. ×

8
unresponsive(adjective, calm, cool, indifferent)
7
chill(adjective, cool, attitude, indifferent, hot)
7
discreet(adjective, calm, quiet, soft, reasonable)
7
dispassionate(adjective, calm, cool, soft, reasonable)
7
impassive(adjective, calm, cool, indifferent)
7
limited(verb, adjective, calm, soft, reasonable)
7
noncommittal(adjective, quiet, gentle, restraint)
7
sedate(adjective, calm, close, quiet, cool)
6
calm(adjective, quiet, cool, soft, reasonable)
6
moderate(adjective, calm, quiet, reasonable, sensible)
6
sober(adjective, calm, dull, cool, soft)
6
subdued(adjective, calm, close, quiet, soft)
5
apathetic(adjective, cool, indifferent, detached)
5
callous(adjective, calm, cool, indifferent)
5
composed(adjective, calm, close, quiet, cool)
5
serene(adjective, calm, close, quiet, cool)
5
solemn(adjective, calm, sensible, modest)
5
staid(adjective, calm, firm, sensible, solid)
5
tranquil(adjective, calm, quiet, soft, reasonable)
4
cautious(adjective, calm, soft, reasonable, gentle)
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APASmart Define. (2016). reserved thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/reserved/thesaurus/synonyms
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>