Definition of office party noun from the Oxford Advanced Learner's Dictionary


office party

; NAmE
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a party, usually just before Christmas, for the people who work in a particular office or company. Office parties usually take place in the office or in a club or restaurant near it. Most people drink alcohol and behave in a more relaxed way than they usually do at the office. There are many jokes about office parties because people sometimes get drunk or have sex with someone from their office.