(ˈ)i|rēmēəbəl, əˈr-, (ˈ)ir|r-, (ˈ)iə|r- adjective
Etymology: Latin irremeabilis, from in- in- (I) + remeare to go back (from re- + meare to go) + -abilis -able — more at permeate
1. : offering no possibility of return
an irremeable path
2. : unable to return to a former place or state : irreversible
an irremeable stream
irremeable tissue degeneration
• ir·re·me·ably -blē adverb