Abjure v. t. : To renounce upon oath; to forswear; to disavow; as, to abjure allegiance to a prince. To abjure the realm, is to swear to abandon it forever.

Abjure v. t. : To renounce or reject with solemnity; to recant; to abandon forever; to reject; repudiate; as, to abjure errors.

Abjure v. i. : To renounce on oath.

Example:
What does "Abjure all assertions of equity" mean?

Taxonomy
abjure, Merriam-Webster Online Dictionary, Dictionary, webster, Anglo-French, Latin, Word Games, oath, Webster Online Dictionary with audio pronunciations, Middle English, renounce, thesaurus, recant, glossary, language, ESL, Search, jure.

Defination from the web:
abjure from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. ... renounce often equals abjure but may carry the meaning of disclaim or disown <renounced abstract art and turned to portrait painting> ...