heartbreak
//ˈhɑːrt.breɪk//
Noun
heartbreakSingular
heartbreaksPlural
1
Overwhelming grief, anguish, or distress, especially caused by the loss of love or a romantic relationship.
She experienced heartbreak when her long-term relationship ended.
2
A cause or instance of such grief or sorrow.
Losing her beloved pet was a real heartbreak for the little girl.