When her husband dies, she knows what has killed him: grief at their son's marriage.

He thought he knew grief, but this was too huge and awful for him to even see the edges of it.

Mara felt pain within; when she should feel triumph, she instead knew grief.

Guenhwyvar had known grief before, when some of her previous masters had died.

Emma had known grief, and could bear it better.

Do you not believe that animals know grief and fear and pain?

"When I die let it be in this way that everyone knows grief, not like a scorpion or a snake whose death brings all relief."

He had not known grief like this since he stood beside his father's open grave.

He had clearly known inconsolable grief and somehow survived.