Definition of goodness knows
- He finally got a raise. Goodness knows he deserved one.
: the quality or state of being good
used interjectionally or in phrases especially to express mild surprise or shock
: the nutritious, flavorful, or beneficial part of something
: to perceive directly : have direct cognition of
: to have understanding of
: to recognize the nature of : discern
What made you want to look up goodness knows? Please tell us where you read or heard it (including the quote, if possible).