coolly unconcerned, indifferent, or unexcited; casual: His nonchalant manner infuriated me.
- non·cha·lant·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use nonchalant in a sentence
My son’s nonchalant response to my coming out was one of the greatest gifts I’ve ever received.
Their physical presence speaks to our aesthetic biases and nonchalant insults.
These nonchalant brutalities seem at first at odds with the genteel decorum that mostly cloaks late-19th century culture.
On video, Raymond Santana was smug, boastful, and nonchalant by turns, vividly reenacting who did what during the rape.
I so wanted to seem brave and nonchalant, but my hands began to shake and my heart accelerated.
The Democrats need to be similarly nonchalant about this one.Despite Their Loss In Florida’s Special Election, Democrats Shouldn’t Panic Over November | Michael Tomasky | March 12, 2014 | THE DAILY BEAST
An extreme close-up of Man Ray snapped in profile (1968) hangs opposite a nonchalant-looking Andy Warhol (1965).David Bailey’s ‘Stardust’ Shows a Keen Eye for Fine Faces | Chloë Ashby | February 8, 2014 | THE DAILY BEAST
Palmer is out of town, and Lovegrove and Matthews appear wonderfully nonchalant.Private Letters of Edward Gibbon (1753-1794) Volume 1 (of 2) | Edward Gibbon
Algernon's words could not be objected to, but the tone in which they were uttered was completely nonchalant.A Charming Fellow, Volume II (of 3) | Frances Eleanor Trollope
And, indeed, his countenance brightened at once, and he took a chair opposite to Minnie with all his old nonchalant gaiety.A Charming Fellow, Volume II (of 3) | Frances Eleanor Trollope
"It seems they've spotted us," said Arcot in a voice he tried to make nonchalant.Islands of Space | John W Campbell
To this Bobby returned ostentatious yawns of boredom and nonchalant lollings, for it seemed a small matter to be so fashed about.Greyfriars Bobby | Eleanor Atkinson
British Dictionary definitions for nonchalant
casually unconcerned or indifferent; uninvolved
- nonchalance, noun
- nonchalantly, adverb
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