waterproof 1 of 2

Definition of waterproofnext
as in leakproof
made of or treated with material that does not allow water to penetrate luckily, my backpack is waterproof, so my clothes didn't get wet

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waterproof

2 of 2

noun

chiefly British
as in slicker
a coat made of water-resistant material remember your waterproof if you're walking around London in the winter

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of waterproof
Adjective
The walls are treated with the same limewash and a coordinating waterproof plaster, tadelakt, in the shower area. Alyssa Bird, Architectural Digest, 25 June 2026 Laura Mercier’s Flawless Lumière Foundation delivers both, pairing medium, buildable coverage with up to 12 hours of waterproof, fade-resistant wear. Christa Joanna Lee, Allure, 23 June 2026
Noun
Helly Hansen employs some of its proprietary waterproof and breathable materials, including PrimaLoft Black Eco insulation, a PFC-free DWR treatment, and various ventilation options. Nathan Allen, Travel + Leisure, 14 Nov. 2025 There’s a lot to love, from the waterproof, stretchy three-layer softshell outer fabric to the generous kangaroo pocket and the brilliant dropseat design that makes bathroom breaks easy. Jenny Wiegand, Outside, 14 Nov. 2025 See All Example Sentences for waterproof
Recent Examples of Synonyms for waterproof
Adjective
  • This version also comes with a straw cap, which, when closed, is leakproof and shatter-resistant.
    Lydia Mansel, Travel + Leisure, 16 June 2026
  • For example, ads for Knix’s leakproof underwear were spotted inside New York City subway cars this spring, and often on Hulu.
    Alyssa Goldberg, USA Today, 8 June 2026
Noun
  • City slickers will definitely get a bang for their buck with this place, which is a lot more spacious than a shoebox on the Upper East Side.
    Madeleine Marr, Miami Herald, 17 Nov. 2025
  • During the Waleses' trip to Canada in October 1991, Diana made time between touring an AIDS hospice and a women's shelter to join William, 9, and Harry, 7, on a visit to Niagara Falls, where the trio donned rain slickers for a wet and wild voyage on the Maid of the Mist.
    Stephanie Sengwe, People.com, 31 Aug. 2025
Adjective
  • That leaves Shapiro—an Orthodox Jew and staunch Zionist—in a tough spot.
    Emily Tamkin, Vanity Fair, 25 June 2026
  • The public is warming up to nuclear, too – after decades of staunch opposition, a 2024 survey commissioned by the Energy Department found that more than 70% of Filipinos trust nuclear power as a reliable source of electricity, and many support rehabilitating the BNPP.
    Lorela U. Sandoval, Christian Science Monitor, 25 June 2026
Noun
  • People also moved quickly to capitalize on the weather, riding bicycles through the area while selling raincoats and ponchos to fans caught outside before conditions began to clear.
    Tyler Carmona, Miami Herald, 24 June 2026
  • Arsene Wenger might have struggled with his raincoat, but rarely with his orchestra.
    Zohran Mamdani, New York Times, 29 May 2026
Noun
  • The most common is to apply liquid termiticide in a trench in the soil around your house.
    Arricca Elin SanSone, Southern Living, 25 June 2026
  • This poppy red trench is the kind of summer statement piece that’s worth the investment, especially with this discount.
    Aemilia Madden, Vogue, 18 June 2026
Noun
  • Mary Jane eventually found her muck boots and an oilskin jacket in the back of the hallway closet.
    Kate Walbert, The New Yorker, 29 Nov. 2021
  • The jean were presented alongside a collection of classic workwear with Japanese vintage details, and oilskin coat inspired by one of creative director Maria Heilmann’s vintage pieces, and handknitted pieces crafted from undyed llama.
    Angela Velasquez, Sourcing Journal, 3 Sep. 2019

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Cite this Entry

“Waterproof.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/waterproof. Accessed 29 Jun. 2026.

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