wastefully is a form of:

Wasteful



adjective
1.
(Using more than is needed, showing waste) ដែលមិនសំចៃ, ដែលអសារ, ដែលឥតប្រយោជន៍, ហោច, ដែលខ្ជះខ្ជាយ, ដែលអស់រលីង
Example: Wasteful expenditure, Be wasteful with one's. parents' money. This is a wasteful process.
2.
(បច្ចេកទេស) ដែលចំណាយអស់អ្វីៗជាច្រើន
ENGLISH MEANING
adjective
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.