de·luxe also de luxe 
(dĭ-lŭks, -lks)
(dĭ-lŭks, -lks)adj.
Particularly elegant, luxurious, or elaborate for its kind; of superior quality or refinement: deluxe accommodations; a de luxe automobile; a hamburger deluxe.
adv.
In an elegant and luxurious manner; sumptuously: traveling deluxe.
[French de luxe, of luxury : de, of + luxe, luxury.]