LATIN DICTIONARYLexicon Latīnum
adjective

irregressĭbĭlis

Meaning

  1. from which there is no return

irregressĭbĭlis (inr-), e, adj. 2. inregressio,
I. from which there is no return (eccl. Lat.): transgressio, Aug. Civ. Dei, 8, 22.

Quick answers

What does irregressĭbĭlis mean in Latin?
irregressĭbĭlis, a adjective, means “from which there is no return”.