/ Dictionary / Index O oaf: Meaning and Definition of Find definitions for: oaf Pronunciation: (ōf), [key] a clumsy, stupid person; lout. a simpleton; dunce; blockhead. a deformed or mentally deficient child. a changeling. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: oaf (Thesaurus) OA Oahu 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