decadence
de·ca·dence
noun
1.
the state of being degenerate in mental or moral qualities
Origin
From French décadence, from Medieval Latin decadentia (“decay”), from *decadens (“decaying”), present participle of *decadere (“to decay”); see decay.
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Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.