nonchalance

Definitions

The state of being or appearing casually calm and relaxed.

A lack of enthusiasm, interest, or concern; indifference.

Examples

He faced the difficult situation with an air of nonchalance that surprised everyone in the room.

Despite the chaos surrounding the project, she handled the deadline with remarkable nonchalance.

Synonyms

indifference apathy composure insouciance detachment unconcern coolness

Antonyms

anxiety concern nervousness apprehension agitation intensity earnestness