from The American Heritage® Dictionary of the English Language, 5th Edition.

  • transitive verb To recant solemnly; renounce or repudiate.
  • transitive verb To renounce under oath; forswear.

from The Century Dictionary.

  • To renounce upon oath; forswear; withdraw formally from: as, to abjure allegiance to a prince.
  • To renounce or repudiate; abandon; retract; especially, to renounce or retract with solemnity: as, to abjure one's errors or wrong practices.
  • To take an oath of abjuration.

from the GNU version of the Collaborative International Dictionary of English.

  • intransitive verb To renounce on oath.
  • transitive verb To renounce upon oath; to forswear; to disavow. To abjure the realm, is to swear to abandon it forever.
  • transitive verb To renounce or reject with solemnity; to recant; to abandon forever; to reject; repudiate.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • verb transitive To abstain from; to avoid; to shun.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • verb formally reject or disavow a formerly held belief, usually under pressure


from The American Heritage® Dictionary of the English Language, 4th Edition

[Middle English abjuren, from Old French abjurer, from Latin abiūrāre : ab-, away; see ab– + iūrāre, to swear; see yewes- in Indo-European roots.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

From Middle English abjuren, then from either Middle French abjurer or directly from Latin abiūrō ("deny upon oath"), formed from ab ("from, away from") + iūro ("swear or take an oath"), from iūs ("law, right, duty").


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  • (v.t.) to renounce, foreswear, or deny upon oath; to reject, recant, abandon, repudiate.

    December 30, 2008

  • “I abjure with a sincere heart and unfeigned faith, I curse and detest the said errors and heresies, and generally all and every error and sect contrary to the Holy Catholic Church.” - Galileo Galilei

    December 15, 2010

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  • To renounce or reject upon oath,

    May 21, 2018