157 entries under casual topic. ×

3
disorderly(adjective, sloppy, untidy, messy)
3
disorganized(adjective, incompetent, disordered, untidy)
3
hit-or-miss(erratic, frivolous, haphazard, arbitrary)
3
laid-back(adjective, feature, state, calm, dull)
3
laid back(verb, expression, adjective, phrasal verb, feature)
3
light(adjective, feature, state, calm, cool)
3
lukewarm(adjective, calm, dull, cool, relaxed)
3
sunny(adjective, feature, state, happy, relaxed)
3
unselective(adjective, unfussy, undiscriminating, cursory)
2
gay(adjective, feature, state, trait, cheerful)
2
blase(calm, cool, relaxed, detached)
2
chance(adjective, useless, erratic, frivolous)
2
cold(adjective, calm, hard, cool, relaxed)
2
impassive(adjective, calm, dull, hard, cool)
2
napping(adjective, thoughtless, inconsiderate, happy-go-lucky)
2
passing(quick, speedy, hasty, superficial)
2
serene(adjective, feature, state, calm, cool)
2
sketchy(adjective, quick, unthinking, hasty)
2
smooth(adjective, calm, cool, relaxed, detached)
2
unceremonious(adjective, indifferent, thoughtless, unkind)
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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>