Merriam-Webster Online Dictionary
Decadentadj
1 : marked by decay or decline
2 : of, relating to, or having the characteristics of the decadents
3 : characterized by or appealing to self-indulgence
Specifically, definitions 1 and 3.
Merriam-Webster Online Dictionary
Decadencenoun
1 : the process of becoming decadent : the quality or state of being decadent
2 : a period of decline
Any society that let's 15,000 die in a heat wave because they are too busy sunning their fat wine drinking asses at the beach is decadent in my eyes.
Any society that makes citizens pay tax on individual components of an item is decadent in my eyes.
Any society that would rather pass resoloution after resoloution instead of taking action is a decadent bunch o pantywaists who need to pull the goddamn heads out of the sand.
You'll pardon us while we go save the world again.
On a personal note, if any of you Euros have any sort of national pride, I would advise you get your countries out of the EU before Europe ends up like the former Soviet Block countries.