re·​sis·​tant | \ ri-ˈzi-stənt How to pronounce resistant (audio) \

Definition of resistant

 (Entry 1 of 2)

: giving, capable of, or exhibiting resistance often used in combination wrinkle-resistant clothesa drug-resistant strain of virus



Definition of resistant (Entry 2 of 2)

: one that resists : resister

Examples of resistant in a Sentence


These plants are resistant to cold temperatures. He became resistant to the medication.

Recent Examples on the Web: Adjective

Nearly 90% of people infected with extensively drug-resistant (XDR) TB who took this treatment during a clinical trial recovered in 6 months. Amy Maxmen, Scientific American, "Treatment for Extreme Drug-Resistant Tuberculosis Wins U.S. Government Approval," 16 Aug. 2019 Just like its predecessor, this new formula is sweat- and humidity-resistant, easily blendable, and noncomedogenic. Marci Robin, Allure, "Fenty Beauty's New Pro Filt’r Hydrating Longwear Foundation Is for Dry Skin Types," 1 Aug. 2019 The soles are made of a puncture-resistant, waterproof, double-layer polymer/plastic compound and are fused to the sock uppers with no glue or seams. Los Angeles Times, "Gear that keeps clothes neat, you cool, and your feet and your dog happy," 18 July 2019 Just be sure to pick something that’s water-resistant, such as vinyl. Helen Carefoot, Washington Post, "Fixes for your tragic rental bathroom that don’t involve construction," 18 July 2019 The fabric can be made more water resistant, with brands such as Under Armour’s Charged Cotton, and Nike’s Dri-Fit Cotton. William Thornton |,, "Alabama cotton figures in crop’s resurgence," 15 July 2019 Drift® Roses are repeat-blooming, groundcover roses that are tough, disease resistant, winter hardy to zone 4 and virtually maintenance-free. Country Living, "DRIFT® - GROUNDCOVER ROSES MADE EASY™," 14 May 2019 When state politicians grew resistant to subsidizing sports facility construction, da Silva chose to pay back the city for its initial investment in stadium land and finance the venue on his own. Julia Poe, Pro Soccer USA, "Orlando City took challenging path to MLS all-star spotlight," 28 July 2019 Newer varieties appear more resistant to fungal leaf spots that plagued zinnias during hot, wet months. Tom Maccubbin,, "Zinnias can be added to summer gardens in Florida," 27 July 2019

Recent Examples on the Web: Noun

Making human cells virus-resistant will involve at least 400,000 changes to the genome, according to GP-write’s announcement today. Kelly Servick, Science | AAAS, "Genome writing project aims to rally scientists around virus-proofing cells," 1 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'resistant.' 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 resistant


15th century, in the meaning defined above


1580, in the meaning defined above

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Statistics for resistant

Last Updated

4 Sep 2019

Look-up Popularity

Time Traveler for resistant

The first known use of resistant was in the 15th century

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More Definitions for resistant



English Language Learners Definition of resistant

: opposed to something : wanting to prevent something from happening
: not affected or harmed by something


re·​sis·​tant | \ ri-ˈzis-tənt How to pronounce resistant (audio) \

Kids Definition of resistant

: capable of withstanding the force or effect of The material is fire-resistant.


variants: also resistent \ -​tənt How to pronounce resistent (audio) \

Medical Definition of resistant

: giving, capable of, or exhibiting resistance often used in combination a drug-resistant strain of virus

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Comments on resistant

What made you want to look up resistant? Please tell us where you read or heard it (including the quote, if possible).


readily or continually undergoing change

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