Abrogate
/ˈæbrəɡeɪt/
verb
To officially end or cancel something, especially a law or agreement.
The government decided to abrogate the treaty.
Often appears as...
abrogate a law
abrogate an agreement
Usage tips
Formal
Formal
Definition 1 of 2
Pro Tip 1/3Government Action
Often used in contexts where official authorities cancel laws or agreements. 
The council moved to abrogate outdated regulations.
Pro Tip 2/3Final Decision
Implies that the abrogation is usually irreversible and final. 
Once the decision was made to abrogate the policy, there was no turning back.
Pro Tip 3/3Strong Authority
Indicates a powerful entity is needed to abrogate rules or laws, like a government. 
Only parliament has the power to abrogate these statutes.