nonchalant

[ non-shuh-lahnt, non-shuh-lahnt, -luhnt ]
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adjective
  1. coolly unconcerned, indifferent, or unexcited; casual: His nonchalant manner infuriated me.

Origin of nonchalant

1
First recorded in 1725–35; from French nonchalant, present participle of obsolete nonchaloir “to lack warmth (of heart), be indifferent,” equivalent to non- prefix meaning “not” + chaloir, from Latin calēre “to be warm”; see non-, -ant

Other words for nonchalant

Opposites for nonchalant

Other words from nonchalant

  • non·cha·lant·ly, adverb

Words Nearby nonchalant

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use nonchalant in a sentence

British Dictionary definitions for nonchalant

nonchalant

/ (ˈnɒnʃələnt) /


adjective
  1. casually unconcerned or indifferent; uninvolved

Origin of nonchalant

1
C18: from French, from nonchaloir to lack warmth, from non- + chaloir, from Latin calēre to be warm

Derived forms of nonchalant

  • nonchalance, noun
  • nonchalantly, adverb

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