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

  • adv. With the authority derived from one's office or position: the pope speaking ex cathedra; ex cathedra determinations.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. With authority based on one's rank or office.
  • adv. With authority based on one's rank or office.

from the GNU version of the Collaborative International Dictionary of English

  • n. in the exercise of one's office; with authority.

from The Century Dictionary and Cyclopedia

  • n. See cathedra.

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

  • adv. with the full authority of the office


Latin ex cathedrā : ex, from + cathedrā, ablative of cathedra, chair.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Latin "from the (teacher's) chair." (Wiktionary)


  • But as this so-called "Indiculus" was issued more as a papal instruction than as an ex cathedra definition, the controversy still continued for almost a century, until St. Caesarius of Arles convoked the Second Synod of Orange (A.D.

    The Catholic Encyclopedia, Volume 6: Fathers of the Church-Gregory XI

  • His fatwas are the nearest equivalent that al-Qaeda has to an ex cathedra statement from the pope.

    The Longest War

  • Millais, Rossetti, and Mr. Holman Hunt ” who is to state ex cathedra where influence was received, where transmitted; or whether the first may fairly be held to have been, during the short time of their complete union, the master-hand, the second the poet-soul, the third the conscience of the group?

    The Earlier Work of Titian

  • Ignatian ideas of episcopacy, and unwilling to perceive that they did not avail in the English Establishment, this was an ex cathedra judgment against him.

    The Catholic Encyclopedia, Volume 10: Mass Music-Newman

  • Even those who called the fallen statesman 'Ichabod' could not forget his commanding presence, his lofty tone about affairs of state, his sonorous professions of an ideal, his whole ex cathedra attitude.

    The Every-day Life of Abraham Lincoln


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