1 adjective impossible to make gooddoleigheasta adj3 c m uirretrievable damage will be done to their educationdéanfar dochar doleigheasta dá gcuid oideachais, déanfar dochar buan dá gcuid oideachaisthere's an irretrievable breakdown in negotiationstá na cainteanna tite as a chéile agus níl aon dul siar air2 adjective COMP (of data etc) unrecoverablenach féidir a fháil ar aisirretrievable datasonraí nach féidir a fháil ar aisirretrievable errorsbotúin dholeigheasta, meancóga nach féidir a cheartú