LATIN DICTIONARYLexicon Latīnum
English → Latin

“irrevocable” in Latin

The English word irrevocable itself goes back to Latin revocō, through irrevocabilis.

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

irrevocable
irrevocabilis: in perpetuum ratus (settled or fixed for ever): immutabilis (immutable): quod revocari non potest (Liv., 44, 40.). Anything is irrevocable, aliquid (or quod dixit or fecit aliquis) ut indictum or infectum sit revocari non potest (after Liv., 5, 15).

Quick answer

What is the Latin word for irrevocable?
The usual Latin words for “irrevocable” are irrevocābilis, immūtābilis. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.