Definition of good grief! in English:

good grief!

phrase

  • An exclamation of irritation, frustration, or surprise.

    • ‘Good grief, I'll have MI5 watching me as a potential cult leader.’
    • ‘Good grief, Nat, where on earth have you been? You look like you got dragged through a hedge backwards and then thrown back through it again!’
    • ‘Nina? Good grief! You gave me a scare!’
    • ‘Good grief - the man really must be as high as a kite.’