power up

British

verb

(tr, adverb) to switch on the power to (a computer system)
to begin to make good use of or take full advantage of

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"Do I believe in our partners and Honda's ability to bring that power up and to be competitive? Absolutely. They have a proven track record, and we have total faith."

From BBC • Mar. 5, 2026

CoreWeave Chief Executive Michael Intrator shared in a Bloomberg interview last month that the company had secured 2.8 gigawatts of contracted power, up 600 megawatts from the second quarter.

From MarketWatch • Nov. 9, 2025

But their modular nature means they become cost competitive if they are used off-grid for data centers that need power up nearly 100% of the time.

From The Wall Street Journal • Nov. 5, 2025

AI chips in AI servers use a lot of power, up to 10 times more than conventional servers, which also means they run hot.

From Barron's • Nov. 4, 2025

You eat gooey fruit cocktail and just before you power up your tablet, The Mac strolls in with his bowling bag, and duffel, sporting a blue and white hoodie that reads putyourFACEinaBOOK.

From "Booked" by Kwame Alexander

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023