luxurious UK /lʌɡˈʒʊəɹi.əs/US /lʌɡˈʒʊɹi.əs/ adjective2 •Very fine in quality and comfortable.With her luxurious furnishings and spacious accommodation the Invicta, which is 350-ft. long and has a gross tonnage of 4,178, resembles a small liner. — 1947 •(old-fashioned) Enjoying the pleasures of luxury, accustomed to luxury.Invalids, and luxurious persons, require more artificial arrangements for travelling on the camel. — 1856 formsmore luxurious · most luxurious