wasteful

/ˈweɪstfəl/
adjective
  1. Using or spending resources carelessly or without good reason; causing waste.
    • Leaving the water running while brushing your teeth is wasteful.
    • The company's wasteful practices led to huge financial losses.
    • She felt guilty about her wasteful habit of buying clothes she never wore.
What does "wasteful" mean? | whatsthatwordmean | whatsthatwordmean