re·​pel·​len·​cy ri-ˈpe-lən(t)-sē How to pronounce repellency (audio)
: the quality or capacity of repelling

Examples of repellency in a Sentence

Recent Examples on the Web The jacket displayed impressive durable water repellency, with the water beading up immediately and remaining that way for the full five minutes of the water test. Michelle Rostamian, Peoplemag, 27 Sep. 2023 In addition to evaluating performance and how effectively water was removed from the car’s shield, factors like rain repellency, ease of installation, noise and price were considered. Good Housekeeping, 10 Aug. 2023 For example, the NEMO Dagger OSMO™ Lightweight Backpacking Tent is made of ​​poly-nylon ripstop fabric and has excellent water repellency, which means it won’t be worn down by the elements as easily. Olivia Avitt, Peoplemag, 24 May 2023 Motivated to increase the sustainability factor even further, The North Face also created a new PFC-free DWR treatment that maintains 80 percent of its water repellency after 80 wash cycles (and requires no consumer applications of water-polluting retreatment). Outside Online, 8 Jan. 2019 The repellency lasts for up to 10 washes. Jocelyn Solis-Moreira, Popular Science, 27 Mar. 2023 Better yet, some products now have a black-and-yellow repellency awareness graphic that clearly states how long they have been proven to repel mosquitoes and ticks; that symbol means the company has provided the EPA with scientific data to support their claims. Lauren Oster,, 23 Apr. 2021 However, the wax coating that gives these cotton jackets their water-repellency is not permanent and fades with use. Eric Twardzik, Robb Report, 16 Mar. 2023 Today, a startup called Osmo, a spinout of Google Research, plans to use machine learning to predict the potential repellency of chemical compounds based only on their molecular structure. WIRED, 9 Feb. 2023 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'repellency.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1733, in the meaning defined above

Time Traveler
The first known use of repellency was in 1733

Dictionary Entries Near repellency

Cite this Entry

“Repellency.” Dictionary, Merriam-Webster, Accessed 11 Dec. 2023.

Kids Definition


re·​pel·​len·​cy ri-ˈpel-ən-sē How to pronounce repellency (audio)
: the quality of repelling : the ability to repel

More from Merriam-Webster on repellency

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