/ Dictionary / Index O overplus: Meaning and Definition of Find definitions for: o•ver•plus Pronunciation: (ō'vur-plus"), [key] — n. an excess over a particular amount; surplus: After the harvest the overplus was distributed among the tenantry. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: overplus (Thesaurus) overplay overpopulate 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