Nonchalant

Definition

Showing a relaxed, casual lack of concern — appearing to be unbothered in a way that seems effortless rather than cultivated.

Beyond the definition

The outward performance of ease. Sometimes genuine; sometimes the most carefully constructed impression in the room.

Origin & history

From French 'non-chalant' — literally 'not warming', from 'chaloir' (to concern, to matter). To be nonchalant is to be unwarmed by the things that usually heat others.

Example sentences

Illustrative sentences for learning, not verified community posts or sourced quotations.

He accepted the award with a nonchalant wave, as if he'd expected nothing else.

Her nonchalant delivery made the sharp observation even more devastating.

There is something distinctly old money about studied nonchalance.

Synonyms

casual, unconcerned, indifferent, breezy, insouciant

Antonyms

anxious, eager, concerned, flustered

Related words

• insouciant
• aplomb
• reticent
• composure

Nonchalant vs insouciant

Nonchalant describes the *appearance* of ease — the studied indifference that can be cultivated and performed. Insouciant suggests something deeper: a genuine inner freedom from concern that doesn't need to be constructed. Both are compliments, but insouciant is rarer and more precise, implying the ease is real rather than rehearsed. The truly insouciant person isn't trying to seem nonchalant.

Compare this word

• Insouciant vs Nonchalant: what’s the difference?

Word in the Wild

See how this word appears in life, language and stories.

Illustrative sentences and imagined stories for learning — not verified sightings, interviews, or sourced quotations.

Fictional scene

Relaxed after a meal

An adult sits at a table after a meal with remnants of wine and bread, lost in unhurried, comfortable thought.

The adult’s easy, comfortable posture as the light dims displays a nonchalant lack of concern for the passing time. It reads as effortless, suggesting they are completely at home and unbothered by external expectations or the need to rush.

Image credit: Wordspun · AI-generated conceptual illustration