heaven knows

idiom
Updated on: 15 Nov 2017

Definition of heaven knows

informal
used to stress that something is not known
  • "How long will the meeting last?" "Heaven (only) knows."

Word by Word Definitions

heaven play
  1. : the expanse of space that seems to be over the earth like a dome : firmament

  2. : the dwelling place of the Deity and the blessed dead

  3. : a spiritual state of everlasting communion with God

know play knows
  1. : to perceive directly : have direct cognition of

  2. : to have understanding of

  3. : to recognize the nature of : discern

  1. : knowledge


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