Definition of good day
somewhat formal + old-fashioned
—used to say hello or goodbye to someone in the daytime Good day to you, sir.
Word by Word Definitions
: 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
Seen and Heard
What made you want to look up good day? Please tell us where you read or heard it (including the quote, if possible).