power up

1 of 2

verb

powered up; powering up; powers up

transitive verb

: to cause to operate
power up the computer
variants or less commonly powerup or power up
plural power-ups also powerups or power ups
1
: an item in a video game that makes a player's character more effective by enhancing an attribute (such as speed, health, or strength) or conferring an ability
… a bunch of power-ups at your disposal to help overcome the odds, including the Super Bell—which gives you catlike powers and the ability to climb walls.—Jon Bitner
You can use the direction keys on your keyboard to navigate Pac-Man through the maze, gobbling up spheres and power ups while avoiding ghosts.—Cassidy Ward
After you collect enough gems and level up, you're able to select another weapon or powerup.—Kris Holt
2
: the act of beginning to operate or causing something to operate
The drive is instantly recognized and ready to go on power-up.—Dwight Silverman
… on power up, the user will experience the most rapid start-up time ever …—Business Wire

Examples of power up in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Verb
Underwater solar power The researchers were looking to ways to power up underwater sensors, cameras, detectors, communication systems and other such devices using solar energy. — Ameya Paleja, Interesting Engineering, 21 Sep. 2026 The battery lasts up to 24 hours, and there's a magnetic base included so that the headset is always powered up and ready to go. — George Yang, PC Magazine, 18 Sep. 2026
Noun
There are new power-ups, such as the Elephant Fruit, which transforms Mario into a giant Elephant, and even more customization options in badges. — George Yang, PC Magazine, 25 Sep. 2026 Before taking them on, I was allowed to pick a custom chip that gives Mega Man a power-up that activates with R1. — Gieson Cacho, Mercury News, 26 Aug. 2026 See All Example Sentences for power up

Word History

First Known Use

Verb

1970, in the meaning defined above

Noun

1979, in the meaning defined at sense 2

Time Traveler
The first known use of power up was in 1970

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Cite this Entry

“Power up.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/power%20up. Accessed 29 Sep. 2026.

Kids Definition

power up

verb
: to cause to operate
power up the computer
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