—n. 1. a material object, service, etc., conducive to sumptuous living, usually a delicacy, elegance, or refinement of living rather than a necessity: Gold cufflinks were a luxury not allowed for in his budget. 2. free or habitual indulgence in or enjoyment of comforts and pleasures in addition to those necessary for a reasonable standard of well-being: a life of luxury on the French Riviera. 3. a means of ministering to such indulgence or enjoyment: This travel plan gives you the luxury of choosing which countries you can visit. 4. a pleasure out of the ordinary allowed to oneself: the luxury of an extra piece of the cake. 5. a foolish or worthless form of self-indulgence: the luxury of self-pity. 6. Archaic.lust; lasciviousness; lechery.
—adj. of, pertaining to, or affording luxury: a luxury hotel.