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Synonyms

painkiller

American  
[peyn-kil-er] / ˈpeɪnˌkɪl ər /

noun

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


painkiller British  
/ ˈpeɪnˌkɪlə /

noun

  1. an analgesic drug or agent

  2. 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

Other Word Forms

  • painkilling adjective

Etymology

Origin of painkiller

An Americanism dating back to 1850–55; pain + killer

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.

When she wakes up, she will regain consciousness more quickly and clearly because she required lower doses of anaesthetic drugs such as propofol and opioid painkillers than patients who heard no music.

From BBC

She has to go to some dark places, channeling Claire’s depression, addiction to painkillers and more — but despite her penchant for playing more carefree women, Hudson says she wasn’t intimidated by the role’s meatier aspects.

From Los Angeles Times

Prosecutors alleged that the man, who has not been publicly named, injected his mostly elderly patients with painkillers or sedatives in an effort to ease his workload during shifts overnight.

From BBC

In small, careful doses, it can make painkillers more effective if you are not having too much caffeine on a daily basis.

From BBC

Nitrous oxide, also known as laughing gas, is commonly used as a painkiller in medicine and dentistry, but it is frequently used as a recreational drug.

From BBC