de·luxe I. \də̇ˈlu̇ks, dēˈ-, -ləks, -lüks\adjective Etymology: French, literally, of luxury : notably luxurious or elegant : sumptuous or elaborate (as in materials, style, or workmanship) < a deluxe edition of a book > < accommodations deluxe > < a deluxe train > II. adverb Etymology: French de luxe : in a deluxe manner : luxuriously, sumptuously < traveling deluxe >