nonchalant

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

ADJECTIVE

easygoing, laid back

Synonyms

STRONGEST

aloof apathetic casual detached dispassionate effortless lackadaisical lukewarm mellow offhand unconcerned unemotional unflappable unperturbed unruffled

WEAK

airy blasé calm careless cold collected composed cool disimpassioned disinterested easy happy impassive imperturbable incurious indifferent insouciant light listless loose neglectful negligent neutral placid serene smooth trifling uncaring unexcited unfeeling unimpressible untroubled

Antonyms

STRONGEST

biased careful caring concerned deliberate emotional enthusiastic excited feeling hard interested nervous planned responsive upset worried

WEAK

intense jumpy unnerved

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

No doubt that playful warmth played a part in him being cast as Luffy, a hilariously nonchalant, yet utterly sincere would-be pirate.

From Los Angeles Times • Mar. 10, 2026

Heading into the results, investors were a bit more nonchalant about threats to the economy.

From MarketWatch • Feb. 14, 2026

The dandy may have many names, but we know him when we see him—he projects the aristocrat’s “superior air and nonchalant ennui,” Mr. Andersson writes, only a little too much.

From The Wall Street Journal • Jan. 15, 2026

I wasn’t sure what scared me more, the thought of the tourists being attacked, or the way they were all so nonchalant in the face of danger creeping right up to them.

From Salon • Aug. 17, 2025

Perhaps if more people were aware of the First Wave and Second Wave extinctions, they’d be less nonchalant about the Third Wave they are part of.

From "Sapiens: A Brief History of Humankind" by Yuval Noah Harari

Vocabulary lists containing nonchalant

Essential Academic Vocabulary for High School Students, List 1

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100 Top "SAT" Words

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Grade 9, List 1

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