1. The initial and most intense phase of grief following a loss, characterized by severe emotional pain, shock, and active bereavement
The family was in acute mourning immediately after the funeral.
A família estava em luto agudo imediatamente após o funeral.
2. A period of formal, visible grief expression typically lasting from days to several weeks after a death
During acute mourning, she wore black clothing and avoided social gatherings.
Durante o luto agudo, ela usava roupas pretas e evitava encontros sociais.