Top Definition
To make an attempt at being funny, while being sarcastic at the same time.
Jacky was being facetious when she said, "Yes, let's all go to Iraq for my birthday party!"
by Nikki P. September 06, 2004

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Along with abstemious, facetious is one of two words in the English language containing all five vowels in alphabetical order.
by gork March 26, 2003

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a word used exclusively by people who take themselves too seriously, while failing to convince people otherwise
John's attempt at making a joke crashed and burned. In an effort to save face and appear relatable, he announced to the room that he was merely being facetious. But not before first adjusting his monocle and tightening his ascott.
by dafed April 09, 2013

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The act of being filipant in a serious situation
At miss heath's funeral mr Powell made a facetious joke about her death
by Matthew matterson June 07, 2016

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The word facetious is used exclusively by arts students to describe someone being sarcastic.

Its generally said with a smug voice to make the person feel insignificant.
John: I think global warm in is a hoax. Look how cold it is outside!

Sally: John quit being so facetious.

John: Shut the fuck up Sally and keep managing McDonalds.
by Jaykup283 March 07, 2014

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An asshole's word for "sarcasm".
Stop being so facetious and tell me what you're going to do about the problem!
by neveruse November 10, 2009

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Unique as the only word in the English language to sound like a variation of it's slang definition. In other words: It sounds like it may actually mean "full of feces" although it does not...but it does mean full of shit.
After telling that joke he said he was being facetious, but we all know he was just looking for a smarter sounding way of saying he was full of shit.
by MoTremper September 06, 2007

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