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{n} a contraction of 'anti' and 'anniversary'. The date of a breakup/divorce, etc.
September 6th is my antiversary.
by Elendae August 26, 2006
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2
The anniversary of one's breakup. Sometimes celebrated by people with a sense of humor.
Justin isn't your antiversary coming up?
by hasi August 26, 2006
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3
What would have been an anniversary but is not due to a divorce or getting laid off.
Today is my 25th Antiversary.
by meloruff December 09, 2010
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4
The first anniversary from breaking up with an asshole where you go out and party.
"Today is my my one-year anti-versary of being away from that dick ex-husband of mine. Let's go celebrate."
by SharieD April 18, 2010
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5
(n.) The calendar day corresponding to a day in the past when something irretrievably shitty occurred.
Tomorrow is the antiversary of my hound dog's death, and I'd rather drink liquid lye than go to work.
by Toll Carom April 08, 2017
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