- Used other than as an idiom: see God, know.
- (idiomatic) I don't know; nobody knows; it is unclear
- God knows what the headlines will say after the president's recent comments.
- (idiomatic) (Often modifying a parenthetic concession) of course; certainly; obviously; nobody could doubt
- I do not consider this a minor work of mine (although God knows I've written many minor works).