irrĕmĕābĭlis (inr-), e, adj. [2. in-remeabilis],
from which one cannot return , irremeable (poet.): error, Verg. A. 5, 591: via, Sen. Herc. Fur. 548: unda, i. e. the Styx , Verg. A. 6, 425: litus, Sil. 5, 41.
in-remeābilis (irr-) e, adj.,not to be retraced, from which there is no return: error, V.: unda, i....
An Elementary Latin Dictionary