irrevocably
adv. manner C1 Advanced US //ˌɪˈɹɛvəkəbɫi// UK //ɪɹɪvˈɒkəbli// ir·re·vo·ca·bly
adv. in a way that cannot be changed or undone. You use this to describe a decision or a change that is permanent.
adv. in a manner that cannot be reversed, canceled, or undone. Often used to describe legal or emotional commitments that are final.
The two countries signed an irrevocably binding treaty.
Once the final payment is processed, the contract becomes irrevocably binding and cannot be canceled.
The discovery of the ancient ruins irrevocably altered the historical narrative of the region, forcing scholars to reconsider centuries of established archaeological evidence.
From irrevocable + -ly.