grief
/ɡɹiːf/noun
Deep sadness, especially the kind felt after losing someone or something important.
Example sentence
- “The whole town shared in the family's grief after the accident.”
'Good grief!' is a mild exclamation of dismay, and to 'give someone grief' is informal for hassling them. 'Grieve' is the verb; 'mourning' emphasizes the public rituals.