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

Adjective These plants are resistant to cold temperatures. He became resistant to the medication.
Recent Examples on the Web: Adjective This freestanding heater includes wheels for easy mobility and has a waterproof, weather-resistant coating on its protective cover for long-lasting heat. Taylor Giangregorio, Popular Mechanics, 18 May 2022 Some crashes led to new safety requirements, such as having more than one pilot in the cockpit or making doors more resistant to intrusion from the cabin. Fortune, 18 May 2022 These packing cubes from Patagonia are made with recycled polyester ripstop with a highly weather-resistant TPU-film laminate to keep your items protected. Emma Seymour, Good Housekeeping, 9 May 2022 With oversized wheels and sturdy wood-paneling fitted to a creamy, weather-resistant aluminum frame, this playful piece of furniture is perfect for carting around spiked seltzers and beers during your next patio party. Megan Wahn, Bon Appétit, 8 Apr. 2022 However, spray-on car waxes do not clean deeply, are less weather-resistant, and generally have the poorest durability. Jack Keebler, Car and Driver, 22 Mar. 2022 This year, Gamble will begin replanting vines lower to the ground on weather-resistant native rootstock and adjusting the vines’ row orientation to protect grapes from the hot midday sun. Monica Prelle, Outside Online, 17 Jan. 2022 One of the most recent additions is the Blandford, Trunk’s take on a classic M-65 field jacket, made in Italy using a crisp Japanese weather-resistant cotton. Kareem Rashed, Robb Report, 18 Nov. 2021 Its large and well-protected interior can hold enough gear for a weekend of activity and keep everything protected thanks to its weather-resistant tarpaulin exterior. Ramsey Qubein, Forbes, 7 Nov. 2021 Recent Examples on the Web: Noun Tendons also respond favorably to heavy loads, becoming stronger, more injury resistant, stiffer and thus more springlike. Outside Online, 13 Nov. 2019 For months much of the focus by health officials and the White House has been on convincing the resistant to get vaccinated, an effort that has so far produced mixed results. Jenny Deam, ProPublica, 20 Aug. 2021 Both these products are hypoallergenic and naturally dust-mite resistant. Kelly Corbett, House Beautiful, 22 Apr. 2021 The pillow’s bamboo cover is hypoallergenic and dust-mite resistant, to help keep sneezing and watery eyes at bay. Korin Miller, Forbes, 12 Mar. 2021 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, 1 May 2018 See More

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.

First Known Use of resistant


15th century, in the meaning defined above


1580, in the meaning defined above

Learn More About resistant

Time Traveler for resistant

Time Traveler

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

See more words from the same century

Dictionary Entries Near resistant

resistance welding



See More Nearby Entries 

Statistics for resistant

Last Updated

21 May 2022

Cite this Entry

“Resistant.” Dictionary, Merriam-Webster, Accessed 23 May. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

More Definitions for resistant


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 resistant (audio) \

Medical Definition of resistant

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


Test Your Vocabulary

Great Words for Scrabble

  • scrabble tiles that read scrabble quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
Spell It

Can you spell these 10 commonly misspelled words?

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!