160 entries under adjective topic. ×

6
unflappable(calm, quiet, cool, relaxed)
5
demure(reserved, unexcitable)
5
even-tempered(reasonable, moderate, mild, agreeable)
5
frigid(reserved, unexcitable)
5
phlegmatic(calm, quiet, cool, relaxed)
5
sedate
5
sober(calm, cool, reasonable, moderate)
5
stoical(calm, cool, tolerant, enduring)
4
detached(calm, quiet, cool, relaxed)
4
impassive(calm, quiet, cool, relaxed)
4
moderate(calm, quiet, reasonable, mild)
4
modest(close, quiet, reasonable, moderate)
4
self-contained
4
steady(calm, quiet, reasonable, moderate)
4
undisturbed
4
unexcitable
4
unexcited(calm, quiet, relaxed, casual)
4
unperturbed
3
apathetic(calm, cool, indifferent, tolerant)
3
cautious
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APASmart Define. (2015). self-controlled thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/self-controlled/thesaurus/synonyms
ChicagoSmart Define. 2015. "self-controlled thesaurus" https://smartdefine.org/self-controlled/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, self-controlled thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/self-controlled/thesaurus/synonyms>.
MLASmart Define. "self-controlled thesaurus" 14 April 2015. Web. 23 September 2026. <https://smartdefine.org/self-controlled/thesaurus/synonyms>