Difference between Unconcerned and Untroubled

Unconcerned

Part of speech: adjective

Definition: Indifferent and having no interest; aloof. Not worried, anxious or apprehensive.

Example sentence: I definitely could not write a character that was cruel or unconcerned with animal welfare. For me, not just as a writer but for the person I am, I love animals.

Untroubled

Part of speech: adjective

Definition: Of or pertaining to a lack of worries.