WordReference Random House Unabridged Dictionary of American English © 2026
o•ver•cer•ti•fy
(ō′vər sûr′tə fī′),USA pronunciation v.t., -fied, -fy•ing. [Banking.]
o′ver•cer′ti•fi•ca′tion, n.
- Businessto certify (a bank check) for an amount greater than the balance in the drawer's account.
- over- + certify