- Definitions|2
- Thesaurus|1.8k
- Abbreviations|0
122 entries under casual topic. ×
| regardless(adjective, careless, indifferent, detached) | |
| self-possessed(adjective, calm, quiet, cool, mild) | |
| slapdash(adjective, careless, indifferent, unconcerned) | |
| sunny(adjective, feature, state, trait) | |
| unheeding(happy-go-lucky, slapdash) | |
| disimpassioned(adjective, calm, cool, relaxed, steady) | |
| improvident(happy-go-lucky, slapdash) | |
| inadvertent(adjective, careless, indifferent, unconcerned) | |
| indolent(mild, relaxed, tolerant, permissive) | |
| levelheaded(adjective, calm, quiet, relaxed) | |
| oblivious(adjective, indifferent, thoughtless, unsympathetic) | |
| remiss(adjective, careless, indifferent, thoughtless) | |
| slipshod(adjective, careless, indifferent, thoughtless) | |
| sloppy(adjective, careless, indifferent, thoughtless) | |
| unceremonious(adjective, indifferent) | |
| unimpressible(adjective, calm, cool, relaxed) | |
| unthinking(adjective, careless, indifferent, unconcerned) | |
| gay(adjective, feature, state, trait, cheerful) | |
| assured(adjective, calm, quiet, cool, relaxed) | |
| forgetful(adjective, careless, indifferent, unsympathetic) |
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| APA | Smart Define. (2015). nonchalant thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/nonchalant/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "nonchalant thesaurus" https://smartdefine.org/nonchalant/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, nonchalant thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/nonchalant/thesaurus/synonyms>. |
| MLA | Smart Define. "nonchalant thesaurus" 9 December 2015. Web. 30 September 2026. <https://smartdefine.org/nonchalant/thesaurus/synonyms> |