adjective (a)

• high in price or charging high prices(adj.all)

  Example:
  Expensive clothes.
  An expensive shop.
  

  Antonym:
  cheap, inexpensive
  

  source: wordnet30
• Occasioning expense; calling for liberal outlay; costly; dear; liberal; as, expensive dress; an expensive house or family.(adjective)

  source: webster1913