1. to feel or express deep sorrow or grief, especially for someone who has died
2. to regret deeply or feel sad about the loss or end of something

Examples

• The family mourned the loss of their beloved grandmother.
• She is still mourning her husband’s death after two years.
• The entire nation mourned the tragedy.
• He mourned the end of his childhood as he packed for college.
• They mourned the destruction of the historic building.
• The community gathered to mourn together.
• She mourned the loss of her friendship with him.