nonreversible

/ˌnɑnrɪˈvɜrsəbəl/
adjective
  1. Not able to be changed back to a previous state or condition; permanent.
    • The damage to the ancient painting was nonreversible.
    • Some chemical reactions are nonreversible, so you cannot get the original materials back.
    • The decision to cut down the forest had nonreversible effects on the local wildlife.
Antonyms
What does "nonreversible" mean? | whatsthatwordmean | whatsthatwordmean