heaven knows

idiom

informal

—used to stress that something is not known

"How long will the meeting last?" "Heaven (only) knows."

Examples of heaven knows in a Sentence

Recent Examples on the Web

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

To disappear to the state, to be spent heaven knows how? —

Voice Of The People, New York Daily News, 22 Apr. 2024 The result is musically bland, but scarily realistic and also pretty funny, though heaven knows whose source material is being used. —

David Meyer, Fortune, 11 Apr. 2024 Nevertheless, the intrusions from passing players, often intent on killing Sam or Mark or each other, and non-player characters (NPCs) seem real enough — and heaven knows dramatic recreations are rampant these days in documentaries, there to fill out the bits the camera could never have captured. —

Leslie Felperin, The Hollywood Reporter, 10 Mar. 2024 The official royal coronation shop has released commemorative tote bags and honey-dippers and heaven knows what else; the official dish is a quiche made with spinach and fava beans. —

Monica Hesse, Washington Post, 5 May 2023