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overkill

American  
[oh-ver-kil] / ˈoʊ vərˌkɪl /

noun

  1. the capacity of a nation to destroy, by nuclear weapons, more of an enemy than would be necessary for a military victory.

  2. an instance of such destruction.

  3. an excess of what is required or suitable, as because of zeal or misjudgment.


overkill British  
/ ˈəʊvəˌkɪl /

noun

  1. the capability to deploy more weapons, esp nuclear weapons, than is necessary to ensure military advantage

  2. any capacity or treatment that is greater than that required or appropriate

"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

Etymology

Origin of overkill

An Americanism dating back to 1945–50; over- + kill 1

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.

See Examples For:

This may be overkill, but if you have millions of dollars, a “dynasty trust” allows you to control assets over multiple generations.

From MarketWatch Jun. 23, 2026

Bill Plaschke’s and many Angel fans’ desire for Arte Moreno to sell his ownership of the Angels is an overkill.

From Los Angeles Times Jun. 6, 2026

Expensive GPU-filled servers were overkill, and data-center customers mostly bought CPU servers to run websites, databases, applications, and other traditional workloads.

From Barron's May 8, 2026

Still, the assembled armada seems overkill for that goal.

From Slate Feb. 19, 2026

But regardless of whether the overkill hypothesis or the climate hypothesis proves correct, the disappearance of all of the big animals of Australia/New Guinea had, as we shall see, heavy consequences for subsequent human history.

From "Guns, Germs, and Steel: The Fates of Human Societies" by Jared M. Diamond

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