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Synonyms

exterminate

American  
[ik-stur-muh-neyt] / ɪkˈstɜr məˌneɪt /

verb (used with object)

exterminates, present (3rd person singular) exterminated, past participle, past exterminating present participle
  1. to get rid of by destroying; destroy totally; extirpate.

    to exterminate an enemy; to exterminate insects.

    Synonyms:
    eliminate, annihilate, abolish, eradicate

exterminate British  
/ ɪkˈstɜːmɪˌneɪt /

verb

  1. (tr) to destroy (living things, esp pests or vermin) completely; annihilate; eliminate

"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

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Etymology

Origin of exterminate

1535–45; < Latin exterminātus, past participle of extermināre to extermine; see -ate 1

Explanation

If your house becomes infested with cockroaches, mice, or even ants, you might have to exterminate them. It is certainly not a pleasant process, but often quite necessary. To exterminate means "to kill off or destroy completely." Notice that it includes the word terminate which means, “to end.” It is usually used in reference to insects or rodents, but also unfortunately in reference to people or groups of people. It is just a coincidence that this verb shares a syllable with termite — a bug that often has to be exterminated before it eats through the wood of your home.

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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.

If people exterminate hives, native pollinators such as monarch butterflies, bumblebees, wasps and more can also be affected by the insecticides used.

From Los Angeles Times • May 29, 2026

In 17th century Ireland, Robyn Goodfellowe is an apprentice hunter who follows her father when he’s called in to exterminate wolves.

From Salon • Dec. 24, 2025

Mr. Biden will travel to Capitol Hill on Tuesday to deliver the keynote address of the Holocaust museum’s yearly event and remember the Nazi effort to exterminate the Jewish people in Europe.

From New York Times • May 1, 2024

But I think there is a very different scenario that threatens humanity that will likely occur long before AI decides to exterminate us.

From Seattle Times • Jan. 19, 2024

He seemed vaguely puzzled and disappointed; he must be wondering, she thought, whether it had been worth it, just to exterminate two rats.

From "Mrs. Frisby and the Rats of NIMH" by Robert C. O'Brien

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