The Collaborative International Dictionary
Irremeable
Irremeable \Ir*re"me*a*ble\, a. [L. irremeabilis; pref. ir- not
+ remeabilis returning, fr. remeare: cf. F. irr['e]m['e]able.
See Remeant.]
Admitting no return; as, an irremeable way. [Obs.]
--Dryden.
Wiktionary
irremeable
a. (context obsolete English) Admitting no return.