1. the action or process of losing or destroying something through careless or inefficient use
2. an amount of something that is wasted or lost

Examples

• The company reduced food wastage by donating leftovers to charity.
• Water wastage increased during the summer months.
• The factory implemented new procedures to minimize material wastage.
• Energy wastage costs businesses millions of dollars annually.
• The report highlighted significant wastage in government spending.
• Proper storage can prevent wastage of fresh produce.
• The wastage of natural resources concerns environmental scientists.