the GNU version of the Collaborative International Dictionary of English
n. Luxuriousness; effeminacy; wantonness; voluptuousness.
The Century Dictionary and Cyclopedia
n. The practices of Sybarites; voluptuous effeminacy; devotion to pleasure.
Word Usage
"If it's too painful for the super-rich to abandon their stratospheric sybaritism, Congress should at least impose a luxury tax on private jets to offset their environmental impact."