Word.ws English Dictionary

cop-killer

cop-killer noun: a person who deliberately kills an on-duty police officer.

Noun (1)

cop-killer (plural cop-killers)

  1. A person who deliberately kills an on-duty police officer.
    • Serpico spat the words out. "For killing a cop! He's a fucking cop-killer! Tell that to all his fucking friends up there."1974, Peter Maas, “Chapter Thirteen”, in Serpico, Bantam edition, New York: Bantam Books, published 1973, →ISBN, page 225

Noun (2)

cop-killer (plural cop-killers)

  1. (US, slang) A Teflon-coated bullet.

Forms of cop-killer

pluralcop-killers

Origin of cop-killer

From cop + killer.

From the bullet's (bullets') supposed ability to penetrate body armor, thus endangering police officers.

Questions about cop-killer

What does cop-killer mean?
Cop-killer means a person who deliberately kills an on-duty police officer.
What part of speech is cop-killer?
Cop-killer is a noun.
What is the plural of cop-killer?
The plural of cop-killer is cop-killers.

Words near cop-killer in the dictionary

  1. cop-called
  2. cop-caller
  3. cop-callers
  4. cop-calling
  5. cop-calls
  6. cop-killer
  7. cop-killers
  8. cop-out
  9. cop-outs
  10. cop-stache
  11. cop-wise

Source and license

Adapted from Wiktionary: cop-killer (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Pronunciation audio from Wikimedia Commons, each file under its own free license: En-au-cop-killer.ogg.

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