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English Lexicon

Ex-officio

/ˌɛks.əˈfɪʃ.i.oʊ/
adjectiveadverbCEFR C1 (Advanced)Top #8500 frequency
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Comprehensive Definitions & Senses

2 senses
As adjective
  1. 1

    Holding a position or status automatically by virtue of holding another office or membership.

    "The mayor serves as an ex-officio member of the city's board of directors."
As adverb
  1. 1

    By virtue of one's office or position.

    "She was entitled to attend the meetings ex-officio."
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Antonyms & Contrasting Words (1)

Linguistic Origin & Historical Etymology

Derived directly from Latin, combining 'ex' (out of, from) and 'officium' (duty, office). It entered English legal and administrative terminology during the early 17th century to describe rights or duties held by an individual strictly because of holding a particular office or position.

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