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[uh-fish-ee-eyt] /əˈfɪʃ iˌeɪt/
verb (used without object), officiated, officiating.
to perform the office of a member of the clergy, as at a divine service.
to perform the duties or function of some office or position.
to serve as referee, umpire, or other official in a sports contest or game.
verb (used with object), officiated, officiating.
to serve as the priest or minister of (a divine service, religious ceremony, etc.).
to perform, carry out, or fulfill (an official duty or function).
to act as a referee, umpire, timekeeper, or other official for (a sports contest or game).
Origin of officiate
1625-35; < Medieval Latin officiātus (past participle of officiāre to serve), equivalent to Latin offici(um) office + -ātus -ate1
Related forms
officiation, noun
officiator, noun
unofficiated, adjective
unofficiating, adjective
Can be confused
officiate, officious. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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verb (intransitive)
to hold the position, responsibility, or function of an official
to conduct a religious or other ceremony
Derived Forms
officiation, noun
officiator, noun
Word Origin
C17: from Medieval Latin officiāre, from Latin officium; see office
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for officiate

1630s, "to perform a duty," especially "to perform the duty of a priest," from Medieval Latin officiatum, from present participle of officiare "perform religious services," from Latin officium (see office). Related: Officiated; officiating.

Online Etymology Dictionary, © 2010 Douglas Harper
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