Irrevokable
Pronunciation : Ir`re*vok"a*ble
Part of Speech : a.
Etymology : [Pref. ir- not + revoke.]
Definition : Defn: Irrevocable. [R.]
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder