use up one’s energy

use Verb

— Make use of; apply. I use oil to cook. This hammer is used to hit the nails. — To treat as unimportant, abuse; used about people. She only uses him to do the house chores.

use Noun

— A way to apply something; an application. They put it to good use. — A time when something is applied. This battery will last for 2000 uses.

up Preposition

— Toward the top or toward the sky. The balloon went up.

up Adjective

— In a high position. The flag is up. — . It was an up day. — optimistic. He is feeling up. — Put in trust, entrusted. It is up to you. — ing, occurring. What’s up? They act like something is up. — . Something is up with him. — Planning, plotting mischief. He is up to something. — ed. It is all up with them.

up Noun

— State of being up, often with down. Life has its ups and downs.

up Verb

— Increase, increment. We upped the dosage.

energy Noun

— Energy is the ability to do work: move, give off heat, give off light, etc. Unlike coal or oil, atomic energy production creates little air pollution. Higher electricity prices should help promote energy efficiency. The amount of energy in 100g or 100ml of food is much higher for foods with a lot of sugar. She's all full of energy and she can't sit still. This problem has taken up most of her time and energy for over a year.