1. impossible to revoke, cancel, or undo; permanent and unchangeable
Usage: formal; often used in legal contexts

Examples

• The constitution contains certain irrepealable rights that cannot be taken away.
• Once signed, the treaty created irrepealable obligations for both nations.
• The judge declared the law irrepealable under the current legal framework.
• His decision to donate the land was irrepealable according to the contract.
• The company’s irrepealable policy ensures employee safety standards.
• Some fundamental principles of democracy are considered irrepealable.