Irrevocable: meaning, definitions and examples

Irrevocable is often used in legal, formal, or serious contexts where decisions or actions cannot be undone or changed.

• The contract is irrevocable once both parties have signed it.
• Her decision to move abroad was irrevocable.

Unchangeable is used to describe something that cannot be altered, often used in philosophical, legal, or formal discussions.

• The terms of the agreement are unchangeable.
• Her belief in the principle was unchangeable.

Permanent is used to describe something that lasts indefinitely without change or end, commonly applied in everyday and formal situations.

• He got a permanent tattoo on his arm.
• They are looking for a permanent solution to the problem.

Final is used in everyday language and formal contexts to indicate the end of something, such as a decision, result, or event, with no possibility of further change.

• The judge's ruling is final.
• This is my final offer. Take it or leave it.

Irreversible is often used in scientific, medical, or technical contexts to describe processes or changes that cannot be undone, especially those with long-term effects.

• Climate change has reached an irreversible stage.
• The damage to his liver was irreversible.