Lewis Short
(adjective) : irrĕvŏcātus (inr-), a, um, id.
* Not called back. *
* Not asked to repeat a thing; without an encore: cum loca jam recitata revolvimus irrevocati,Hor. Ep. 2, 1, 223.
* That cannot be called or kept back: ab acri caede lupus,Ov. M. 11, 401 (dub.; al. revocatus).
Charlton T. Lewis, Charles Short, A Latin Dictionary