30 entries under nonchalant topic. ×

14
cool(adjective, calm, quiet, reasonable, moderate)
13
composed(adjective, calm, close, quiet, reasonable)
12
serene(adjective, calm, close, quiet, gentle)
11
calm(adjective, quiet, cool, reasonable, moderate)
10
placid(adjective, calm, close, quiet, gentle)
10
tranquil(adjective, calm, quiet, relaxed, casual)
8
collected(adjective, calm, close, quiet, reasonable)
8
dispassionate(adjective, calm, quiet, cool, reasonable)
8
self-possessed(adjective, calm, quiet, relaxed, casual)
7
unruffled(adjective, calm, quiet, relaxed, casual)
6
imperturbable(adjective, calm, quiet, cool, relaxed)
6
level-headed(adjective, calm, casual, unruffled)
6
quiet(adjective, calm, close, reasonable, gentle)
6
unflappable(adjective, calm, quiet, cool, relaxed)
5
phlegmatic(adjective, calm, quiet, cool, relaxed)
4
detached(adjective, calm, quiet, cool, relaxed)
4
impassive(adjective, calm, quiet, cool, relaxed)
4
unexcited(adjective, calm, quiet, relaxed, casual)
3
philosophical(adjective, calm, quiet, relaxed, casual)
3
relaxed(adjective, calm, quiet, casual, unruffled)
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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>