Irrevocable: Definition, Usage & Key Examples

Meaning 1：cannot be undone (irrevocable)

irrevocable 🔊

/ɪˈrevəkəbl/

adj.

Something that cannot be changed, taken back, or undone. Once it's done, it's final.

Irrevocable decision illustrated by a finger about to press a final confirm button

cannot be undone 🔊

➕

/ˈkænɒt biː ˌʌnˈdʌn/

adj.

Describes a state, action, or decision that is final and cannot be reversed, changed, or withdrawn.

📁 Category：Laws & Regulations 🔖 Level：Advanced

📘 Details & Usage

📖 Root Explanation

From Latin: ir- (not) + re- (back) + vocare (to call) + -able (capable of). Literally, 'not able to be called back'.

💡 Mnemonic

Break it down: IR (not) + RE (back) + VOCA (like 'vocal' or voice) + BLE (able). Think of a decision you cannot 'call back' or take back with your voice.

📖 Example

Before clicking the "buy" button, remember that some online purchases are irrevocable and cannot be refunded. 🔊 Keep in mind that certain online transactions are final and non-refundable before you confirm the purchase.

🔗 Collocations

irrevocable decision – a final choice that cannot be changed

irrevocable trust – a legal arrangement that cannot be modified or terminated

irrevocable letter of credit – a bank guarantee of payment that cannot be cancelled

🔄 Synonyms

irreversible (adj.) – not able to be changed or reversed

final (adj.) – conclusive and not subject to change

unalterable (adj.) – impossible to change

🚫 Antonyms

revocable (adj.) – capable of being cancelled or withdrawn

reversible (adj.) – able to be changed back to a previous state

changeable (adj.) – liable to change or be altered

🌱 Derivatives

irrevocably (adv.) – in a way that cannot be changed or undone

📖 Cultural Story

The word entered English in the 16th century from Latin 'irrevocabilis'. It is most frequently encountered in formal contexts, such as legal documents (irrevocable trust), binding contracts, and critical decisions (irrevocable choices), emphasizing their permanent and unalterable nature.