Try Our Apps
Dictionary.com

follow Dictionary.com

The Best Internet Slang

nonchalant

[non-shuh-lahnt, non-shuh-lahnt, -luh nt] /ˌnɒn ʃəˈlɑnt, ˈnɒn ʃəˌlɑnt, -lənt/
adjective
1.
coolly unconcerned, indifferent, or unexcited; casual:
His nonchalant manner infuriated me.
Origin of nonchalant
1725-1735
1725-35; < French nonchalant, present participle of obsolete nonchaloir to lack warmth (of heart), be indifferent, equivalent to non- non- + chaloir < Latin calēre to be warm. See -ant
Related forms
nonchalantly, adverb
Synonyms
cool, calm, collected, composed.
Antonyms
excitable.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
Cite This Source
Examples from the Web for nonchalant
Contemporary Examples
Historical Examples
  • The doctor's manner, quick and nonchalant, evidently aggravated his patient.

    The Slave Of The Lamp Henry Seton Merriman
  • But the old hero had been nonchalant and calm about the whole thing.

    Acid Bath Vaseleos Garson
  • This other's nonchalant strength of decision allured her uncertainty.

    The Flying Mercury Eleanor M. Ingram
  • Blunt had calmed down suddenly and assumed a nonchalant pose.

    The Arrow of Gold Joseph Conrad
  • Then he turned a nonchalant glance towards McVeigh, and waited.

    The Bondwoman Marah Ellis Ryan
British Dictionary definitions for nonchalant

nonchalant

/ˈnɒnʃələnt/
adjective
1.
casually unconcerned or indifferent; uninvolved
Derived Forms
nonchalance, noun
nonchalantly, adverb
Word Origin
C18: from French, from nonchaloir to lack warmth, from non- + chaloir, from Latin calēre to be warm
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
Word Origin and History for nonchalant
adj.

1734, from French nonchalant, present participle of nonchaloir "be indifferent to, have no concern for" (13c.), from non- "not" (see non-) + chaloir "have concern for," ultimately from Latin calere "be hot" (see calorie). French chaland "customer, client" is of the same origin. Related: Nonchalantly.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source

Word of the Day

Difficulty index for nonchalant

Many English speakers likely know this word

Word Value for nonchalant

15
19
Scrabble Words With Friends

Nearby words for nonchalant