irrevocable – not able to be recovered, regained or remedied

(Pronounced ih-reh-vuh-kuh-buhl)

To remember the definition of the word irrevocable, use the following mnemonic:

He was irreplaceable, his vocals were not able (irrevocable) to be replaced. The band were not able to regain or recover their fame.

Examples of irrevocable in a sentence

Take your time and think about this irrevocable decision you are about to make.

Once the president signs the treaty, it will be binding and irrevocable.

While I hate to miss your wedding, I have irrevocable appointments I cannot reschedule.