Definition of jackhammer in English:


Line breaks: jack|ham¦mer
Pronunciation: /ˈdʒakhamə
chiefly North American


  • A portable pneumatic hammer or drill.
    More example sentences
    • Landon cracked his eyes open and grimaced in pain from the pounding headache; like an incessant jackhammer drilling into his skull at all angles.
    • In Taba, where the blast brought down a 10-storey wing of the resort, Egyptian and Israeli rescuers used everything from jackhammers and drills to dogs and bare hands to search the wreckage.
    • In a quiet sidestreet, at 3am, someone was running a bloody jackhammer, drilling up the tarmac.


[with object] Back to top  
  • Beat or hammer heavily or loudly and repeatedly.
    More example sentences
    • Having pinpointed the exact location, the bird goes in for the kill with an elaborate maneuver, kicking its legs out from under its wings and jackhammering its beak a few centimeters into the soil to nab its wriggling breakfast.
    • Two workmen are busy jackhammering the footpath.
    • After a week of jackhammering the basement, we had ourselves a shiny new sump pump complete with a perimeter drain, battery backup and snazzy cover.

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Word of the day coloratura
Pronunciation: ˌkɒlərəˈtjʊərə
elaborate ornamentation of a vocal melody