not interested in something, and not willing to make any effort to change or improve things
She felt too apathetic even to move.
After a series of disappointments, he became apathetic about politics and stopped following the news or participating in discussions about current events.
Her apathetic response to the team's victory in the championship surprised everyone, as she should have been overjoyed, but she simply didn't seem to care.
The student's apathetic attitude towards his studies was evident in his lack of effort and interest in completing assignments or participating in class discussions.