nonchalant in a sentence

Definition

Nonchalant: exhibiting a casual lack of concern or interest; relaxed and unconcerned.

She walked into the meeting with a nonchalant attitude, as if she hadn't been preparing for weeks.
His nonchalant response to the unexpected news surprised everyone in the room.
Despite the chaos around her, she remained nonchalant, sipping her coffee as if nothing was amiss.
The actor's nonchalant demeanor during the red carpet event captured the attention of the photographers.
Even in the face of failure, his nonchalant acceptance of the outcome impressed his colleagues.