/ Dictionary / Index O officiary: Meaning and Definition of Find definitions for: of•fi•ci•ar•y Pronunciation: (u-fish'ē-er"ē), [key] — adj. pertaining to or derived from an office, as a title. having a title or rank derived from an office, as a dignitary. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. officiant officiate Related Content Daily Word Quiz: mongrel Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language