What does the word costly mean?

Usage examples for costly

  1. The appeal had been made to her vanity and to her love of pretty and costly things. – The Squire's Daughter by Silas K(itto) Hocking
  2. It was too costly of fuel they would have to carry. – Sand Doom by William Fitzgerald Jenkins
  3. For centuries its shores have been thickly set with costly villas- the homes of wealth and luxury, and not infrequently of learning and culture. – The Lure of the Camera by Charles S. Olcott