Top Definition
A process, condition, or period of deterioration or decline, as in morals or art; decay.
Decadence is the precursor to extinction.
by AKACroatalin April 13, 2015

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Combination of 'decade' and 'hence' - the act of looking back at life 10 years hence and wondering why you did all the depraved things that seemed perfectly normal then.
Older and more mature now, we sat around the bonfire and laughed our heads off as we dived nostalgically into the decadence of 1999.
by Mohit Hira February 13, 2009

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An A Cappella group at UC Berkeley that sets the standard for current co-ed A Capella groups across the nation.
Man:"Wow, that A Cappella group was great! Who are they?"

Woman:"Oh, that's DeCadence!"

Man:"THE DeCadence?"

Woman:"Yes!"

Man:"WOW! They must be the greatest A Cappella group around!"

Woman:" Yes! Of course they are!"
by C. Longinus January 26, 2011

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Literally meaning decline and decay it is usually used to refer to the decay of a society. However decadence is a very subjective term and is usually used by square control freaks who only like the simple and wholesome and believe that anything edgy or creative will lead to chaos.
Snobby complainer: words are starting to be used differently and couples are having anal sex which is wrong even though is is safe and usually consensual. And Mexicans are coming in and threatening to destroy our trafitional values whatever that means.Oh the decadence. Soon our civilization will decay into anarchy.
by the funny one August 03, 2017

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