nonchalant.
Casually calm and relaxed.
Meaning & usage
Casually calm and relaxed.
We handled the whole frenetic situation with a nonchalant attitude.
Indifferent; unconcerned; behaving as if detached.
He is far too nonchalant about such a serious matter.
Where this word comes from
Borrowed from French nonchalant, from Old French nonchaloir (“to be unconcerned”), from non- (“not”) + chaloir (“to have concern for”), from Latin non (“not”) + calēre (“to be warm”).
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.