Definition of for heaven's sake
- For heaven's sake, turn down that music!
: the expanse of space that seems to be over the earth like a dome : firmament
: the dwelling place of the Deity and the blessed dead
: a spiritual state of everlasting communion with God
: end, purpose
: the good, advantage, or enhancement of some entity (such as an ideal)
: personal or social welfare, safety, or benefit
: a Japanese alcoholic beverage of fermented rice often served hot
What made you want to look up for heaven's sake? Please tell us where you read or heard it (including the quote, if possible).