57 entries under casual topic. ×

27
impassive(adjective, calm, dull, quiet, cool)
23
indifferent(adjective, calm, dull, quiet, cool)
19
unemotional(adjective, calm, dull, quiet, cool)
17
apathetic(adjective, calm, dull, quiet, cool)
14
phlegmatic(adjective, calm, dull, quiet, cool)
13
dispassionate(adjective, calm, quiet, cool, relaxed)
12
cool(adjective, calm, quiet, indifferent)
9
unconcerned(adjective, calm, cool, indifferent, feelings)
9
calm(adjective, quiet, cool, tough, rational)
8
imperturbable(adjective, calm, quiet, cool, relaxed)
8
detached(adjective, calm, quiet, cool, relaxed)
8
aloof(adjective, calm, cool, indifferent)
7
incurious(adjective, indifferent, feelings, detached)
6
nonchalant(adjective, calm, quiet, cool, relaxed)
6
unflappable(adjective, calm, quiet, cool, indifferent)
5
placid(adjective, calm, dull, quiet, cool)
5
staid(adjective, indifferent, aloof, sober)
5
tranquil(adjective, calm, quiet, relaxed)
4
composed(adjective, calm, quiet, cool, relaxed)
4
distant(adjective, indifferent, aloof, unemotional)
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APASmart Define. (2016). stolid thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/stolid/thesaurus/synonyms
ChicagoSmart Define. 2016. "stolid thesaurus" https://smartdefine.org/stolid/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, stolid thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/stolid/thesaurus/synonyms>.
MLASmart Define. "stolid thesaurus" 3 March 2016. Web. 29 September 2026. <https://smartdefine.org/stolid/thesaurus/synonyms>