that cannot be changed back to what it was before an irreversible change/decline/decision irreversible brain damage (= that will not improve) opposite reversible
Want to learn more?
Find out which words work together and produce more natural sounding English with the Oxford Collocations Dictionary app.
NAmE//ˌɪrɪˈvərsəbli//
adverbSee irreversible in the Oxford Advanced Learner's DictionaryCheck pronunciation: irreversible