Wasteful

1. a. Waste; desolate; unoccupied; untilled.
2. a. Full of waste; destructive to property; ruinous; as, wasteful practices or negligence; wasteful expenses.
3. a. Expending, or tending to expend, property, or that which is valuable, in a needless or useless manner; lavish; prodigal; as, a wasteful person; a wasteful disposition.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.