a. 1. Full of waste; destructive to property; ruinous; as, wasteful practices or negligence; wasteful expenses. [ 1913 Webster ]
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. [ 1913 Webster ]
3. Waste; desolate; unoccupied; untilled. [ Obs. ] [ 1913 Webster ]
In wilderness and wasteful desert strayed. Spenser. [ 1913 Webster ]
Syn. -- Lavish; profuse; prodigal; extravagant. [ 1913 Webster ]
-- Waste"ful*ly, adv. -- Waste"ful*ness, n. [ 1913 Webster ]