/ Dictionary / Index O officiant: Meaning and Definition of Find definitions for: of•fi•ci•ant Pronunciation: (u-fish'ē-unt), [key] — n. a person who officiates at a religious service or ceremony. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: officiant (Thesaurus) officialize officiary Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language