jackhammer

noun

jack·​ham·​mer ˈjak-ˌha-mər How to pronounce jackhammer (audio)
1
: a pneumatically operated percussive rock-drilling tool usually held in the hands
2
: a device in which a tool (such as a chisel for breaking up pavements) is driven percussively by compressed air
jackhammer verb

Examples of jackhammer 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.
Teams partied hard with their draft picks the last few years, and in 2025, the hangover is going to hit like a jackhammer. John Hollinger, The Athletic, 6 Jan. 2025 Patel’s Daniel has to deal with Eric (Daniel Brühl), a German art film director clearly wrong for a project whose hero flies with an invisible jackhammer, and the insecure actor Adam (Billy Magnussen), who plays that title character. Bob Strauss, Los Angeles Times, 25 Nov. 2024 Rogers ran a jackhammer, cutting down concrete floors and carrying the pieces out in a wheelbarrow. Anjeanette Damon, ProPublica, 4 Nov. 2024 The second is a concrete cube with no visible windows or doors; time to break out the jackhammer. Lily Hay Newman, WIRED, 12 Mar. 2017 See all Example Sentences for jackhammer 

Word History

First Known Use

1912, in the meaning defined at sense 1

Time Traveler
The first known use of jackhammer was in 1912

Dictionary Entries Near jackhammer

Cite this Entry

“Jackhammer.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/jackhammer. Accessed 21 Jan. 2025.

Kids Definition

jackhammer

noun
jack·​ham·​mer ˈjak-ˌham-ər How to pronounce jackhammer (audio)
: a tool driven by compressed air that is used for drilling or breaking up hard substances (as rock or pavement) by a repeated pounding action

More from Merriam-Webster on jackhammer

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