powered up; powering up; powers up
: to cause to operate
power up the computer
pow·er-up
ˈpau̇(-ə)r-ˌəp
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
Do not use the device if the device requires multiple power-ups prior to going to "ready state" (solid green light) …—Contify Life Science News
… on power up, the user will experience the most rapid start-up time ever …—Business Wire
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Merriam-Webster unabridged
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