re·sis·tant | \ ri-ˈzi-stənt \

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

There are questions over whether Kensington and Chelsea Council contributed to the deaths by installing the flammable cladding to improve the appearance of the austere building, rather than fire-resistant cladding, to save money. Jane Onyanga-omara, USA TODAY, "One year later, Britain remembers Grenfell Tower fire, country's deadliest tragedy since World War II," 13 June 2018 CalFire also suggests using fire-resistant landscaping around your home as well. Cassie Dickman, sacbee, "Fire season is here. State officials ask: Are you ready?," 9 June 2018 Dubai passed new fire safety rules last year requiring buildings with quick-burning side paneling to replace it with more fire-resistant cladding. Fox News, "Firefighters battle blaze at high-rise tower in Dubai Marina," 13 May 2018 Dubai passed new fire safety rules last year requiring buildings with quick-burning side paneling to replace it with more fire-resistant cladding. Malak Harb, The Seattle Times, "Firefighters extinguish blaze at high-rise in Dubai Marina," 13 May 2018 Builders and architects in the U.S. have usually opted for panels with fire-resistant cores for the exteriors of tall buildings. Scott Calvert, WSJ, "Stricter Limits on Combustible Panels in High-Rise Construction Could Be Coming," 18 Apr. 2018 The policies cover everything from brush management guidelines to the use of fire-resistant building materials The City Council is scheduled to approve them this spring. David Garrick,, "San Diego adding wildfire prevention policies to development blueprint," 26 Mar. 2018 Quebec once produced half of the world’s asbestos and offered the highest-paying mining jobs in Canada before concern about cancer led to the fire-resistant fiber being banned in more than 50 countries, with the mine finally shutting down in 2012. Sandrine Rastello,, "Magnesium May Save the Town of Asbestos," 7 Mar. 2018 One such material, cross-laminated timber (CLT), is said to be stronger than concrete and more fire-resistant than conventional wooden building materials. Amanda Campanaro /, NBC News, "World's tallest building made of wood is planned for Tokyo," 28 Feb. 2018

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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Phrases Related to resistant

heat resistant

Statistics for resistant

Last Updated

18 Sep 2018

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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 \

Kids Definition of resistant

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


variants: also resistent \-tənt \

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).


to make amends

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