abjure

verb8

1. •
   (formal) To solemnly reject (someone or something); to abandon (someone or something) forever; to disavow, to disclaim, to repudiate.

   • to abjure errors
2. •
   (formal) To renounce (something) upon oath; to forswear; specifically, to recant or retract (a heresy or some other opinion); to withdraw.

   • Graues at my command, / Haue vvak'd their sleepers, op'd, and let 'em forth / By my so potent Art. But this rough Magicke / I heere abiure: […] — 1610
3. •
   (formal) To solemnly reject; to abandon forever.

   • Easily canst thou find one miserable, / And not inforc'd oft-times to part from truth; / If it may stand him more in stead to lye, / Say and unsay, feign, flatter, or abjure? — 1671
4. •
   (formal, historical) To recant or retract a heresy on oath.

   • Nor neuer yet found I ani. j. [any one] but he would once abiure, though he neuer intended to kepe his othe. — 1528
5. •
   (formal, historical) Especially in abjure the realm: to swear an oath to leave (a place) forever.
6. •
   (formal, historical) To swear an oath to leave a place forever.

   • I Abiowre⸝ I forsake myne errours as an heretyke dothe⸝ or forswere the kynges landes⸝ ie abiure, prime coniugationis. — 1530
7. •
   (formal, historical) To cause (someone) to recant or retract (a heresy or some other opinion).
8. •
   (no longer used, rare) To cause or compel (someone) to leave a place forever; to banish.

   • The strong effect of theyr conceiued ire, / Vrging the vveake King vvith a violent hand, / T' abiure those false Lords from the troubled land. — 1603