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Added 9 October 2026

nonchalant

/ˈnɒn.ʃəl.ənt/ adjective

Latin root: non Wiktionary

adjective Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about nonchalant at Wordnik → Where our words come from →

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.

Origin

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”).

From Wiktionary, via Kaikki.org (CC BY-SA)

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