irreversibleadjective
uk/ˌɪr.ɪˈvɜː.sə.bəl/us/ˌɪr.əˈvɝː.sə.bəl/C2 not possible to change; impossible to return to a previous condition:
Smoking has caused irreversible damage to his lungs.
Thesaurus: synonyms and related words
Not able to be changed
- a leopard can't/doesn't change its spots idiom
- be no hard and fast rules idiom
- burn your boats/bridges idiom
- congenital
- continuity
- fixed
- fixity
- hard line
- hard line
- immutable
- incurable
- irredeemable
- irreducible
- irremediable
- irreparable
- irretrievable
- ossify
- stuck
- uncompromising
- what's done is done idiom
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irreversibly
adverb uk/ˌɪr.ɪˈvɜː.sə.bli/us/ˌɪr.əˈvɝː.sə.bli/