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.
Definition: 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.
Definition: 3
a means of ministering to such indulgence or enjoyment: This travel plan gives you the luxury of choosing which countries you can visit.
Definition: 4
a pleasure out of the ordinary allowed to oneself: the luxury of an extra piece of the cake.
Definition: 5
a foolish or worthless form of self-indulgence: the luxury of self-pity.