expression, ichidan verb
be mentally exhausted; be emotionally drained
Describes a state where one's mind or spirit is worn out, often from emotional stress, overthinking, or interpersonal strain. The phrase is a set expression using 心 (heart/mind) and 疲れる (to get tired).
人間関係で心が疲れてしまった。
I'm mentally exhausted from dealing with relationships.
仕事のストレスで心が疲れている
My mind is worn out from work stress.