irrevocable
[adjective]
Synonyms: fixed, fated, immutable, irreversible, predestined, predetermined, settled, unalterable

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Antonyms: revocable
Contrasted words: repealable, reversible, alterable, changeable, modifiable
Related Words: constant, established, fixed, immutable, unchangeable, unmodifiable

[TahlilGaran] English Synonym Dictionary ▲

ir‧rev‧o‧ca‧ble /ɪˈrevəkəbəl/ adjective
[Date: 1300-1400; Language: Latin; Origin: irrevocabilis, from revocare; ⇒ revoke]
an irrevocable decision, action etc cannot be changed or stopped:
Think about the situation carefully before you take an irrevocable step.
—irrevocably adverb:
machines that irrevocably changed the pattern of rural life

[TahlilGaran] Dictionary of Contemporary English ▲

Irrevocable
This the most common instrument of credit in international trade, carries an irrevocable obligation of the issuing bank to pay the beneficiary when drafts and documents are presented in accordance with the terms of the letter of credit. An irrevocable letter of credit, once issued, cannot be amended or canceled without the agreement of all named parties. As such, it must have a fixed expiration date.

[TahlilGaran] Acronyms and Abbreviations Dictionary ▲