57 entries under casual topic. ×

4
reserved(adjective, cool, indifferent, blank)
4
serene(adjective, calm, quiet, cool, relaxed)
4
uninvolved(adjective, calm, quiet, indifferent)
4
unruffled(adjective, calm, quiet, cool, relaxed)
3
self-controlled(adjective, calm, quiet, cool, relaxed)
2
collected(adjective, calm, quiet, cool, relaxed)
2
level-headed(adjective, calm, unruffled, nonchalant)
2
poker-faced(adjective, dull, quiet, cool, indifferent)
2
quiet(adjective, calm, dull, flat, slow)
2
remote(adjective, indifferent, aloof, unemotional)
2
unagitated(adjective, calm, quiet, relaxed)
2
withdrawn(adjective, indifferent, aloof, unemotional)
1
impersonal(adjective, tough, indifferent, rational, straightforward)
1
laid-back(adjective, quiet, indifferent, aloof)
1
objective(adjective, tough, indifferent, rational, straightforward)
1
out of it(expression, adjective, idiom, dull, indifferent)
1
removed(adjective, indifferent, aloof)
1
self-possessed(adjective, calm, quiet, relaxed)
1
uncurious(adjective, indifferent, aloof, unemotional)
1
unexcited(adjective, calm, quiet, relaxed)
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APASmart Define. (2016). stolid thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/stolid/thesaurus/synonyms
ChicagoSmart Define. 2016. "stolid thesaurus" https://smartdefine.org/stolid/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2016, stolid thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/stolid/thesaurus/synonyms>.
MLASmart Define. "stolid thesaurus" 3 March 2016. Web. 30 September 2026. <https://smartdefine.org/stolid/thesaurus/synonyms>