1. Full of waste; destructive to property; ruinous; as, wasteful practices or negligence; wasteful expenses.
2. 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. Waste; desolate; unoccupied; untilled. [Obs.]
In wilderness and wasteful desert strayed. --Spenser.
Syn: -- Lavish; profuse; prodigal; extravagant.
-- Waste*ful*ly, adv. -- Waste*ful*ness, n.
adv : to a wasteful manner or to a wasteful degree; "we are still
prodigally rich compared to others" [syn: prodigally]