IPA: /ˈweɪstfəl.nəs/
KK: /ˈweɪstfəl.nəs/
The act of using resources carelessly or without thought, leading to unnecessary loss or expense.
The wastefulness of throwing away food is a serious issue in many countries.
Wastefulness → It is formed from "waste" (from Old French *waste*, meaning to waste or squander) and "-fulness" (meaning the state of being full of). The word "wastefulness" refers to the state of being full of waste or the excessive use of resources without necessity.
Think of being 'full of waste' — 'waste' means to squander, and '-fulness' indicates a state. This helps you remember that wastefulness refers to the excessive squandering of resources.