unconcerned
She remained unconcerned by the loud noise outside.
She didn't worry about the loud noise outside.
Not worried, anxious, or interested in something
The teacher was unconcerned about the students' minor mistakes.
The teacher didn't worry about the students' small errors.
He seemed unconcerned by the criticism.
He didn't seem to care about the criticism.
Often used to describe someone who is calm or indifferent in a situation where others might be worried.
Collocations
Pro Tip
Common Usage
Often used to describe someone who is surprisingly calm or indifferent in a situation where others might be worried.
Word Origin
From 'un-' (not) + 'concerned' (worried or interested). First recorded in the late 16th century.
Usage Notes
Can describe both emotions (not worried) and behavior (not showing interest). Often used to describe someone who is surprisingly calm in a tense situation.