sup·​pres·​sor | \ sə-ˈpre-sər How to pronounce suppressor (audio) \

Definition of suppressor

: one that suppresses especially : a mutant gene that suppresses the expression of another nonallelic mutant gene when both are present

Examples of suppressor in a Sentence

Recent Examples on the Web Liddy wrote that Clancy’s description of making a firearm suppressor was incorrect. New York Times, 5 Nov. 2021 Karlena Lara-Otero, PhD, a genetic counselor at Stanford Health Care, says BRCA1 and 2 genes are specifically tumor suppressor genes that prevent cells from growing out of control, which is what leads to cancer. Ashley Abramson,, 25 Oct. 2021 Smith was playing the part of fire starter and fire suppressor, the guy who pulls the alarm and rides to the rescue. Ray Glier, Forbes, 13 Oct. 2021 Schematics for a suppressor and parts matching the schematics were discovered in Swenson's home, Harry said. Lynn Larowe, Arkansas Online, 20 Sep. 2021 That means adding the suppressor to your rifle does not require re-zeroing it. Chris Mudgett, Outdoor Life, 19 Nov. 2020 Protect major appliances like microwaves, TVs and computers with a voltage surge suppressor, which safeguards them from electrical surges and spikes. Minnah Arshad, Detroit Free Press, 13 Aug. 2021 Perhaps there are tumor suppressor genes that keep the cancer at bay in some lizards but not others, Urban adds. Maddie Bender, Scientific American, 24 June 2021 Ansul became a leader in the fire suppressor industry and their sprinkler systems can be found in ceilings across the world. Star Tribune, 7 May 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'suppressor.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of suppressor

1560, in the meaning defined above

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Time Traveler for suppressor

Time Traveler

The first known use of suppressor was in 1560

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Dictionary Entries Near suppressor

suppressio veri


suppressor grid

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Statistics for suppressor

Last Updated

13 Nov 2021

Cite this Entry

“Suppressor.” Dictionary, Merriam-Webster, Accessed 6 Dec. 2021.

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More Definitions for suppressor


sup·​pres·​sor | \ -ˈpres-ər How to pronounce suppressor (audio) \

Medical Definition of suppressor

: one that suppresses especially : a mutant gene that suppresses the expression of another nonallelic mutant gene when both are present


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