[ir.rev.o.ca.ble] adj [ME, fr. L irrevocabilis, fr. in- + revocabilis revocable] (14c): not possible to revoke: unalterable "an ~ decision" -- ir.rev.o.ca.bil.i.ty n -- ir.rev.o.ca.ble.ness n -- ir.rev.o.ca.bly adv
IRREVOCABLE
Meaning of IRREVOCABLE in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012