What is the meaning of Grieve?

To cause sorrow or distress to.

To feel very sad about; to mourn; to sorrow for.

To experience grief.

To harm.

To submit or file a grievance (about).

A governor of a town or province.

A manager or steward, e.g. of a farm.

third-person singular present indicative of grever

hard, difficult

Source: wiktionary.org