Definition of good daysomewhat formal + old-fashioned
- Good day to you, sir.
: of a favorable character or tendency
: bountiful, fertile
: handsome, attractive
: something that is good
: something conforming to the moral order of the universe
: praiseworthy character : goodness
used as an intensive
: the time of light between one night and the next
What made you want to look up good day? Please tell us where you read or heard it (including the quote, if possible).