To use up
Example: They use up all resources
Definition
"To use up" means to consume or exhaust all of a resource, supply, or material until nothing remains. For example, when they use up all resources, they have completely depleted them, leaving no remainder for further use.
Etymology
The phrase "to use up" comes from the combination of the verb "use," meaning to employ or consume, and the particle "up," which intensifies the action to indicate completion or exhaustion. It reflects the idea of fully depleting something, as in using something completely until nothing is left.
