adj waste; desolate; unoccupied; untilled.
2. wasteful ·adj full of waste; destructive to property; ruinous; as, wasteful practices or negligence; wasteful expenses.
3. 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.