Definition of "abjure"

abjure

/æbˈd͡ʒʊɹ/

verb
third-person singular simple present abjures, present participle abjuring, simple past and past participle abjured
1. (transitive) To renounce upon oath; to forswear; to disavow.
  Quotations
  adore then the terrestrial influences, and abjure Mahomet.
  1786, William Beckford, Vathek; an Arabian Tale
2. (transitive, obsolete, historical) To cause one to renounce or recant.
3. (transitive) To reject with solemnity; to abandon forever; to repudiate; to disclaim.
  Quotations
  But this rough magic I here abjure [...]
  1610, Shakespeare, The Tempest, act 5 scene 1
4. (transitive) To abstain from; to avoid; to shun.
  Quotations
  Except during the season in town, she spends her year in golfing, either at St Magnus or Pau, for, like all good Americans, she has long since abjured her native soil.
  1902, Robert Marshall Grade, The Haunted Major