Available Definitions:
1) a. - Full of waste; destructive to property; ruinous; as, wasteful practices or negligence; wasteful expenses.
2) 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.
3) a. - Waste; desolate; unoccupied; untilled.