/ Dictionary / Index O officialdom: Meaning and Definition of Find definitions for: of•fi•cial•dom Pronunciation: (u-fish'ul-dum), [key] — n. the class or entire body of officials; officials as a whole. the position or domain of officials. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: officialdom (Thesaurus) official officialese Related Content Daily Word Quiz: serendipity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language