97 entries under careless topic. ×

23
easygoing(adjective, feature, state, calm, cool)
22
nonchalant(adjective, feature, state, calm, cool)
19
chance(adjective, irregular, extra, surprise)
19
unconcerned(adjective, feature, state, calm, cool)
17
accidental(adjective, chance, extra, surprise)
17
incidental(adjective, chance, irregular, minor)
16
irregular(adjective, chance, variable, erratic)
14
offhand(adjective, calm, cool, free, simple)
14
cursory(adjective, slight, detail, relaxed)
14
devil-may-care(adjective, feature, state, soft, care)
14
indifferent(adjective, feature, state, calm, cool)
12
apathetic(adjective, calm, cool, relaxed)
12
hit-or-miss(adjective, erratic, frivolous, random)
12
unexpected(adjective, chance, random, arbitrary)
12
unpremeditated(adjective, free, chance, random)
11
erratic(adjective, chance, frivolous, random)
11
spontaneous(adjective, calm, free, fake, plain)
10
aimless(adjective, uncertainty, chance, random)
9
loose(adjective, calm, clear, open, cool)
8
heedless(adjective, feature, state, trait)
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APASmart Define. (2015). casual thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/casual/thesaurus/synonyms
ChicagoSmart Define. 2015. "casual thesaurus" https://smartdefine.org/casual/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, casual thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/casual/thesaurus/synonyms>.
MLASmart Define. "casual thesaurus" 1 December 2015. Web. 27 September 2026. <https://smartdefine.org/casual/thesaurus/synonyms>