57 entries under laid-back topic. ×

8
placid(adjective, calm, quiet, cool, mild)
8
tranquil(adjective, feature, state, calm, quiet)
8
unhurried(adjective, feature, state, mild, relaxed)
7
mild(adjective, feature, state, relaxed, trait)
6
blasé(adjective, calm, cool, relaxed, cold)
6
incurious(adjective, calm, cool, careless, relaxed)
4
mellow(adjective, calm, cool, relaxed, indifferent)
4
moderate(adjective, mild, relaxed, tolerant)
3
informal(adjective, cool, mild, relaxed, tolerant)
3
undemanding(adjective, feature, state, calm, mild)
2
breezy(adjective, feature, state, calm, cool)
2
complacent(adjective, calm, cool, mild, relaxed)
2
cursory(adjective, cool, careless, relaxed, indifferent)
2
loose(adjective, calm, cool, relaxed, indifferent)
2
permissive(adjective, feature, state, mild, relaxed)
2
poised(adjective, calm, mild, relaxed, casual)
2
remote(adjective, cool, informal, relaxed, easygoing)
2
self-possessed(adjective, calm, quiet, cool, mild)
2
tolerant(adjective, feature, state, mild, relaxed)
2
withdrawn(cool, informal, relaxed, easygoing)
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APASmart Define. (2015). nonchalant thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/nonchalant/thesaurus/synonyms
ChicagoSmart Define. 2015. "nonchalant thesaurus" https://smartdefine.org/nonchalant/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, nonchalant thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/nonchalant/thesaurus/synonyms>.
MLASmart Define. "nonchalant thesaurus" 9 December 2015. Web. 29 September 2026. <https://smartdefine.org/nonchalant/thesaurus/synonyms>