Economize
(verb)
To use resources carefully and not wastefully.
Origin:
Early 18th century: from french économiser, from économie (see economy).
Examples:
- He tried to economize by turning off the lights when he left a room.
- We need to economize on our spending.
- The family economized by cutting back on their expenses.
- The company decided to economize by reducing staff.
- It's important to economize resources to ensure they last longer.