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

Made from aerospace materials that are resistant to corrosion and all kinds of weather damage, Green Magic Homes' pint-sized structures are constructed with durability in mind. Elizabeth Gulino, House Beautiful, "You Can Build Your Own Eco-Friendly Hobbit House in Less Than Three Days," 7 May 2019 Maybe there are parts of our society that never truly will become tolerant, which will remain resistant to change. Leah Winters, Teen Vogue, "I Am a Bisexual Teen Volunteer for an LGBTQ Candidate and I’m Frustrated With How We’re Both Treated," 5 Oct. 2018 By 1951, however, German cockroaches in Corpus Christi, Texas, were resistant to chlordane. Rob Dunn, Discover Magazine, "Our Attempts to Eradicate Insects are Just Making them Resistant to Pesticides," 16 Nov. 2018 The strain of salmonella bacteria identified in this outbreak was tested and found to be resistant to multiple antibiotics. Sarah Jacoby, SELF, "What You Need to Know About the Salmonella Outbreak Linked to Raw Turkey Products," 12 Nov. 2018 Including the inductive button helped Fitbit make the Charge 3 swim-proof and water-resistant up to 50 meters. Valentina Palladino, Ars Technica, "Fitbit returns to its roots with new $150 Charge 3 fitness tracker," 20 Aug. 2018 The iPhone 7 and 7 Plus back in 2016 changed the long-standing home button to make the phone more water resistant. Lisa Marie Segarra, Fortune, "Apple Could Be Removing Buttons as You Know Them From the Apple Watch," 9 June 2018 Today’s laminates are more resistant to moisture and spills, but the steam can still cause warping and other damage. Lauren Smith, Good Housekeeping, "How to Clean Your Laminate Floors (Without Ruining Them)," 28 Mar. 2019 The gene blasting approach does too much damage to be effective, and plants are impressively resistant to bacterial infection. Jill Kiedaisch, Popular Mechanics, "An Advance in Bioengineering Could Pave the Way for Tomorrow’s Superplants," 12 Mar. 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

15 May 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).


something valued as if it were money

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