Definition of luxuries:
(n) :
Something desirable but expensive and that one can live without.
(n) :
Something that is pleasant and desirable but not necessary in life (whether expensive or not).
(n) :
Very wealthy and comfortable surroundings; the state of being that they create.
(adj) :
Not essential but desirable and enjoyable and indulgent.
(adj) :
Very expensive.
(adj) :
(automotive) Pertaining to the top-end market segment for mass production mass market vehicles, above the premium market segment.