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

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 Let’s say your friend seems resistant to therapy, though. Carolyn L. Todd, SELF, "5 Helpful Things to Say to a Friend Who Self-Harms (and 3 to Avoid)," 1 Mar. 2019 Mueller has previously asked for the option of an in-person follow-up interview on the collusion issue, which Trump's team is resistant to but has not rejected outright. Samuel Chamberlain, Fox News, "Prospects looking good for Mueller interview of Trump, source says," 20 Sep. 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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Statistics for resistant

Last Updated

17 Apr 2019

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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 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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More from Merriam-Webster on resistant

Rhyming Dictionary: Words that rhyme with resistant

Spanish Central: Translation of resistant

Nglish: Translation of resistant for Spanish Speakers

Britannica English: Translation of resistant for Arabic Speakers

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).


likely to have or produce good results

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