a drug, treatment, or anything else that relieves pain, especially an analgesic.

Origin of painkiller

An Americanism dating back to 1850–55; pain + killer
Related formspain·kill·ing, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for painkiller

Contemporary Examples of painkiller

Historical Examples of painkiller

  • He once had some painkiller administered to him by Tom Sawyer.

    The Librarian at Play

    Edmund Lester Pearson

  • "I guess you'll do well enough without any painkiller," he said to himself.

    Satan Sanderson

    Hallie Erminie Rives

  • His days of “painkiller,” which he stocked for trade, had not yet come round.

    In the Brooding Wild

    Ridgwell Cullum

  • Gordon found one tablet of painkiller left in the bottle and swallowed it with the dregs of the coffee.

    Police Your Planet

    Lester del Rey

  • Stuffed himself till his hide was stretched as tight as a sausage skin, and then howled for painkiller.

British Dictionary definitions for painkiller



an analgesic drug or agent
anything that relieves pain
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