1. to pay out money for something
2. to use time doing something or being somewhere
3. to use up energy, effort, or resources

Examples

• I spent fifty dollars on groceries yesterday.
• She spends too much money on clothes.
• We spent the entire weekend at the beach.
• He spends three hours a day studying.
• The runner spent all her energy in the first mile.
• Don’t spend your time worrying about things you can’t control.
• The company spent millions developing the new product.