pump up

verb

pumped up; pumping up; pumps up
Synonyms of pump upnext

transitive verb

1
a
: to fill with enthusiasm or excitement
b
: to fill with or as if with air : inflate
2

Examples of pump up in a Sentence

the crowd was pumped up by the band's rocking performance that pop diva is trying to pump up album sales with an extended publicity tour
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.
In the wild west of the crypto world, a rug pull is a con job where developers pump up the value of a token and then suddenly vanish with the investor funds. Matt Egan, CNN Money, 4 Aug. 2026 Several stock indexes, including the NASDAQ 100, also relaxed rules for how soon new issues could be included, further pumping up demand. John Ruwitch, NPR, 4 Aug. 2026 Azerbaijan, already oil-rich, discovered gas under the Caspian Sea in the 1990s and the petrodollars pumped up its coffers. Literary Hub, 30 July 2026 But there is a more direct way to pump up your Pals, with damage, health, defense and work speed upgrades that go as high as 60% each. Paul Tassi, Forbes.com, 27 July 2026 See All Example Sentences for pump up

Word History

First Known Use

1791, in the meaning defined at sense 1a

Time Traveler
The first known use of pump up was in 1791

Cite this Entry

“Pump up.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pump%20up. Accessed 7 Aug. 2026.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster