/ Dictionary / Index O overcertify: Meaning and Definition of Find definitions for: o•ver•cer•ti•fy Pronunciation: (ō"vur-sûr'tu-fī"), [key] — -fied, -fy•ing. to certify (a bank check) for an amount greater than the balance in the drawer's account. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. overcautious overcharge Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language