Yes. It is the negative of the past participle of the verb "to concern."
e.g. The owners were unconcerned about the problems with the house.
She/He was indifferent about the mean comments everyone was throwing at him/her because she was deaf.
seeming to be coolly unconcerned; indiffrent.
unconcerned, uncaring, unworried
The opposite of curious could be apathetic, disinterested, or unconcerned.
A few big words for calm is nonchalant, unconcerned, and impassive.
predicate adjective
predicate adjective
predicate adjective
"Nonchalant" means to be calm, cool, and unconcerned. It is an adjective used to describe someone who appears indifferent or relaxed in a situation.
Steve's
She/He was indifferent about the mean comments everyone was throwing at him/her because she was deaf.
Putting Jews into ghettos was not a new concept. It was not that they were unconcerned, it was that they had no choice.
Calmly, unconcerned or unworried.
Unconcerned
Seeming to be coolly unconcerned or indifferent.
seeming to be coolly unconcerned; indiffrent.
Apathetic.