nonchalant

[ non-shuh-lahnt, non-shuh-lahnt, -luhnt ]
/ ˌnɒn ʃəˈlɑnt, ˈnɒn ʃəˌlɑnt, -lənt /

adjective

coolly unconcerned, indifferent, or unexcited; casual: His nonchalant manner infuriated me.

Origin of nonchalant

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 formsnon·cha·lant·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for nonchalantly

British Dictionary definitions for nonchalantly

nonchalant

/ (ˈnɒnʃələnt) /

adjective

casually unconcerned or indifferent; uninvolved
Derived Formsnonchalance, nounnonchalantly, adverb

Word Origin for nonchalant

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

Word Origin and History for nonchalantly

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