What is not repealable; not capable of being repealed or revoked, as a law. -- Ir`re*peal"a*ble*ness, n. -- Ir`re*peal"a*bly, adv called?

irrepealable — Not repealable; not capable of being repealed or revoked, as a law. -- Ir`re*peal"a*ble*ness, n. -- Ir`re*peal"a*bly, adv. (Webster's 1913.)

Sources