1. Intense sorrow caused by loss of a loved one (especially by death)
   "The grief of losing her mother lingered for years";
   - heartache, heartbreak, brokenheartedness
    
2. Something that causes great unhappiness
   "her death was a great grief to John";
   - sorrow
    
3. [informal] Trouble, annoyance or difficulty
   "Constant traffic jams are a source of grief for commuters"

1. (gaming) deliberately harass or irritate other players
   "Some players were griefing newbies in the starting area"

Derived forms: griefing, griefs

Type of: negative stimulus, sorrow

Encyclopedia: Grief