Wasteful

Webster's Dictionary of the English Language

·adj Waste; desolate; unoccupied; untilled.

II. Wasteful ·adj Full of waste; destructive to property; ruinous; as, wasteful practices or negligence; wasteful expenses.

III. Wasteful ·adj 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.