/ Dictionary / Index O overfull: Meaning and Definition of Find definitions for: o•ver•full Pronunciation: (ō'vur-fool'), [key] — adj. excessively full: The auditorium was overfull. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: overfull (Thesaurus) overfly overgarment Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language