nonchalance
noun
non·cha·lance ˌnän-shə-ˈlän(t)s 
ˌnän-shə-ˌlän(t)s,
-lən(t)s
: the quality or state of being nonchalant
She faced the crowd with the nonchalance of an experienced speaker.
Synonyms
- apathy
- casualness
- complacence
- disinterestedness
- disregard
- incuriosity
- incuriousness
- indifference
- insouciance
- torpor
- unconcern
See all Synonyms & Antonyms 
Example Sentences
with their usual nonchalance they arrived at the wedding ceremony half an hour late
Recent Examples on the Web Early in Season 4, Robin (played by Maya Hawke) offers an explanation for her and her friends’ nonchalance in dealing with threats from the Upside Down, the desolate alternate realm that regularly sets monsters loose. 
Shirley Li, The Atlantic, 27 May 2022 Richardson’s nonchalance does not erase self-doubt and self-awareness. Edgar Thompson, Orlando Sentinel, 4 Sep. 2022 Leave the top button undone, à la Elvis, to telegraph a confident nonchalance. Todd Plummer, WSJ, 16 June 2022 Cucinelli’s season ahead goes on display in his Pitti pavilion today, and is as ever defined by nonchalance, Italian style—aka sprezzatura. Tom Stubbs, Vogue, 14 June 2022 The Cambodian government has gone from nonchalance to closures to crackdowns. The New York Times, Arkansas Online, 25 July 2021 There was a nonchalance to Felipe that was hard, deep down, not to admire. New York Times, 5 Nov. 2021 Still, the rules for women who act—and especially for those who also sing—remain to cultivate a certain nonchalance toward the inevitable applause. Naveen Kumar, Town & Country, 12 July 2022 As his gluttonous, red-hooded mark, Julia Lester is a wry portrait of brash and naive nonchalance, a deadpan avatar of youthful disaffection. Naveen Kumar, Variety, 10 July 2022 See More
Shirley Li, The Atlantic, 27 May 2022 Richardson’s nonchalance does not erase self-doubt and self-awareness. Edgar Thompson, Orlando Sentinel, 4 Sep. 2022 Leave the top button undone, à la Elvis, to telegraph a confident nonchalance. Todd Plummer, WSJ, 16 June 2022 Cucinelli’s season ahead goes on display in his Pitti pavilion today, and is as ever defined by nonchalance, Italian style—aka sprezzatura. Tom Stubbs, Vogue, 14 June 2022 The Cambodian government has gone from nonchalance to closures to crackdowns. The New York Times, Arkansas Online, 25 July 2021 There was a nonchalance to Felipe that was hard, deep down, not to admire. New York Times, 5 Nov. 2021 Still, the rules for women who act—and especially for those who also sing—remain to cultivate a certain nonchalance toward the inevitable applause. Naveen Kumar, Town & Country, 12 July 2022 As his gluttonous, red-hooded mark, Julia Lester is a wry portrait of brash and naive nonchalance, a deadpan avatar of youthful disaffection. Naveen Kumar, Variety, 10 July 2022 See More Word History
First Known Use
1678, in the meaning defined above
Kids Definition
nonchalance
noun
non·cha·lance ˌnän-shə-ˈläns
: the state of being relaxed and free from concern or excitement
nonchalance
noun
as in disregard
lack of interest or concern with their usual nonchalance they arrived at the wedding ceremony half an hour late Synonyms & Similar Words
Relevance
- disregard
- insouciance
- casualness
- indifference
- unconcern
- incuriosity
- apathy
- complacence
- disinterestedness
- recklessness
- carelessness
- torpor
- incuriousness
- tepidness
- unawareness
- tepidity
- lukewarmness
- lethargy
- coldness
- heedlessness
- halfheartedness
- stoicism
- callousness
- aloofness
- impassivity
- impassiveness
- stolidity
- dispassion
- detachment
- bloodlessness
- insensitivity
- callosity
- hardness
- phlegm
- listlessness
- hard-heartedness
- cool
Antonyms & Near Antonyms
- concern
- interest
- attentiveness
- curiosity
- awareness
- regard
- sensitivity
- keenness
- attention
- conscientiousness
- prejudice
- vehemence
- warmth
- bias
- zeal
- warmheartedness
- heedfulness
- ardor
- desire
- partiality
- passion
- fervency