verb

1. To renounce upon oath; to forswear; to disavow.

   “To abjure allegiance to a prince.”

2. To cause one to renounce or recant.

3. To reject with solemnity; to abandon forever; to repudiate; to disclaim.

   “To abjure errors.”

Synonyms: avoid, shun, disclaim, repudiate, disavow, forswear, renounce