/ Dictionary / Index O order of the day: Meaning and Definition of Find definitions for: or'der of the day' Pronunciation: [key] the agenda for an assembly, meeting, group, or organization. the activity or feature of primary importance: Good cheer and celebrations will be the order of the day. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. order of business Order of the Garter Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language