noun, noun or participle which takes 'suru', intransitive verb
unrequited love; broken heart; disappointment in love
Refers to the state of having one's love unreturned or a romantic relationship ending painfully. Often used with する to mean 'to be rejected in love' or 'to have one's heart broken'.
彼に振られて失恋した。
I was rejected by him and had my heart broken.
失恋の痛
It takes time to recover from the pain of a broken heart.