ex cathedra

adverb or adjective
ex ca·the·dra | \ˌeks-kə-ˈthē-drə \

Definition of ex cathedra 

: by virtue of or in the exercise of one's office or position ex cathedra pronouncements

Did You Know?

Ex cathedra is a Latin phrase, meaning not "from the cathedral," but "from the chair." The phrase does have religious origins though: it was originally applied to decisions made by Popes from their thrones. According to Roman Catholic doctrine, a Pope speaking ex cathedra on issues of faith or morals is infallible. In general use, the phrase has come to be used with regard to statements made by people in positions of authority, and it is often used ironically to describe someone speaking with overbearing or unwarranted self-certainty.

First Known Use of ex cathedra

1693, in the meaning defined above

History and Etymology for ex cathedra

New Latin, literally, from the chair

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The first known use of ex cathedra was in 1693

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