1. the quality or habit of using more of something than is necessary or of using something carelessly

Examples

• The company’s wastefulness with office supplies led to budget cuts.
• Her wastefulness with food bothered her environmentally conscious roommate.
• The government was criticized for its wastefulness in spending taxpayer money.
• His wastefulness with electricity resulted in high monthly bills.
• The restaurant reduced its wastefulness by composting food scraps.
• Parents often worry about their teenagers’ wastefulness with money.