irreversible
ir‧re‧ver‧si‧ble AC /ˌɪrɪˈvɜːsəbəl◂, ˌɪrɪˈvɜːsɪbəl◂ $ -ɜːr-/
adjective1. irreversible damage, change etc is so serious or so great that you cannot change something back to how it was before
OPP reversible:
Fossil fuels have caused irreversible damage to the environment
2. if an illness or bad physical condition is irreversible, it will continue to exist and cannot be cured:
Miller is in an irreversible coma.
irreversible blindness
—irreversibly adverb:
His reputation was irreversibly damaged by the affair.
ir‧re‧ver‧si‧ble AC /ˌɪrɪˈvɜːsəbəl◂, ˌɪrɪˈvɜːsɪbəl◂ $ -ɜːr-/
adjective1. irreversible damage, change etc is so serious or so great that you cannot change something back to how it was before OPP reversible:
2. if an illness or bad physical condition is irreversible, it will continue to exist and cannot be cured:
—irreversibly adverb: