bewail
Definitions
To express deep sorrow or regret for something.
To lament or wail over the loss or death of someone or something.
Examples
The villagers gathered to bewail the loss of their historic town hall in the fire.
It is useless to bewail your past mistakes when you should be focusing on your future.
The poet spent his final years in solitude, left only to bewail the fading beauty of the world.