Definition of grief
- grief Noun Suffering, hardship.
- grief Noun Pain of mind arising from misfortune, significant personal loss, misconduct of oneself or others, etc.; sorrow; sadness.
- grief Noun Cause or instance of sorrow or pain; that which afflicts or distresses; trial.
- grief Verb To deliberately harass and annoy other players of a game in order to interfere with their enjoyment of it; "especially", to do this as one's primary activity in the game.