157 entries under casual topic. ×

5
cool(adjective, feature, state, calm, happy)
5
disinterested(adjective, calm, cool, relaxed, indifferent)
5
dispassionate(adjective, calm, cool, relaxed, indifferent)
5
free and easy(expression, adjective, idiom, feature, state)
5
pococurante(adjective, indifference, happy-go-lucky, slapdash)
5
superficial(adjective, quick, impulsive, reckless)
5
undiscriminating(adjective, unfussy, cursory, undiscerning)
5
unorganized(adjective, arbitrary)
5
unworried(adjective, feature, state, indifferent, trait)
4
aimless(adjective, weak, feeble, arbitrary)
4
airy(adjective, feature, state, calm, cool)
4
happy-go-lucky(adjective, feature, state, happy, relaxed)
4
hurried(quick, speedy, hasty, superficial)
4
unconscious(adjective, indifferent, apathetic, thoughtless)
4
undiscerning(adjective, indifferent, foolish, stupid)
4
wasteful(adjective, extravagant, incompetent, lavish)
3
breezy(adjective, feature, state, happy, relaxed)
3
buoyant(adjective, feature, state, happy, relaxed)
3
calm(adjective, feature, state, cool, happy)
3
cavalier(adjective, indifferent, extravagant, easygoing)
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APASmart Define. (2016). careless thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/careless/thesaurus/synonyms
ChicagoSmart Define. 2016. "careless thesaurus" https://smartdefine.org/careless/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, careless thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/careless/thesaurus/synonyms>.
MLASmart Define. "careless thesaurus" 3 March 2016. Web. 29 September 2026. <https://smartdefine.org/careless/thesaurus/synonyms>