1.an emotion of great sadness associated with loss or bereavement;
he tried to express his sorrow at her loss
2.sadness associated with some wrong done or some disappointment;
he drank to drown his sorrows
3.something that causes great unhappiness;
her death was a great grief to John
4.the state of being sad;
she tired of his perpetual sadness
1.feel grief; eat one's heart out