Waste"ful (?), a. 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.