Nonchalant definition

nŏnshə-länt
Without warmth or enthusiasm; showing cool lack of concern; casually indifferent.
adjective
26
8
Casually unconcerned or indifferent.
adjective
18
5
Casually calm and relaxed.

We handled the whole frenetic situation with a nonchalant attitude.

adjective
8
6
The definition of nonchalant is not showing interest.

An example of nonchalant is the response "whatever."

adjective
5
5

He is far too nonchalant about such a serious matter.

adjective
5
5
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Origin of nonchalant

  • French from Old French present participle of nonchaloir to be unconcerned non- non- chaloir to cause concern to (from Latin calēre to be warm, heat up kelə-1 in Indo-European roots)

    From American Heritage Dictionary of the English Language, 5th Edition

  • From French nonchalant, from Old French nonchaloir (“to not be concerned"), from non- (“not") + chaloir (“to have concern for"), from Latin non 'not' + calere 'to be warm'

    From Wiktionary