Other forms: abrogated, abrogating, abrogates
To abrogate is to cancel a law or an agreement by authority. Abrogate the treaty.
It needs the power that made the thing in the first place, which is what separates it from breaking one. To abrogate a responsibility is a looser use and means shrugging it off.
1verbabrogateTo cancel a law or an agreement by authority.
“The new government moved to abrogate the whole agreement.”
abrogate is a cancelling.
Latin abrogare means to repeal, from ab plus rogare, to propose a law.
Latin
abrogātus
Middle English
abrogat
English, today
abrogate
Built from
From Middle English abrogat, from Latin abrogātus. 1526, from Middle English abrogat (“abolished”), from Latin abrogātus, perfect passive participle of abrogō (“repeal”) (see -ate and -ate), formed from ab (“away”) + rogō (“ask, inquire, propose”). See rogation.
Etymology from Wiktionary, CC BY-SA