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
Thoughtful extras include a handy waterproof bag for wet swimwear and the gift of a black handbook with the owner’s favorite island haunts. — Condé Nast, Condé Nast Traveler, 6 Oct. 2026 Ultimate Ears Wonderboom 4 The Ultimate Ears Wonderboom 4 Bluetooth Speaker delivers surprisingly powerful 360-degree sound and deep bass from an ultraportable, floating waterproof design. — Juhi Wadia, PC Magazine, 6 Oct. 2026
Noun
And use all the proper types of sunblock and waterproof, too. — Scott Fowler, Charlotte Observer, 10 June 2026 The super-absorbent top layer is designed to tackle spills while the waterproof back keeps your little one’s clothing dry. — Pamela Brill, Parents, 7 Apr. 2026 See All Example Sentences for waterproof
Recent Examples of Synonyms for waterproof
Adjective
  • When in doubt, transferring your go-to toiletries to uniform-sized, leakproof travel bottles will do the trick.
    — Lydia Mansel, Travel + Leisure, 24 Sep. 2026
  • The real genius is the second lid, which turns the whole thing into a leakproof pitcher.
    — Alaina Chou, Bon Appetit Magazine, 31 Aug. 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
  • Some of them were put off by élite football’s deliberate lack of culture—staunch apoliticism is easy to sell to Sky Sports—and others had been priced out.
    — Vanda Mayer, New Yorker, 6 Oct. 2026
  • Lithuania has been one of Ukraine's staunchest allies during Russian President Vladimir Putin's more than 4½-year conflict with Kyiv, providing extensive military equipment and financial support.
    — Sam Meredith, CNBC, 6 Oct. 2026
Noun
  • At Chloé, Chemena Kamali sent eyelet lace, tailoring, and raincoat silhouettes down the runway.
    — Laure Guilbault, Vogue, 7 Oct. 2026
  • They’re found in raincoats, and they’re also found in outerwear, which needs a finished product that can keep the consumer dry in long days out in nature.
    — Roy Stephen Canivel, Footwear News, 18 Sep. 2026
Noun
  • The clothes performed a parallel operation on familiar forms, pulling apart bikers, trenches, tweed jackets, corsetry, and punk hardware before rebuilding them into funky new forms of feminine armor.
    — Vogue, Vogue, 8 Oct. 2026
  • Direct water toward the bed by installing a gutter extension, creating a downhill slope, digging a trench or connecting a PVC pipe to a distant gutter and running it underground to the rain garden.
    — ABC News, ABC News, 6 Oct. 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
  • Daigle has a face like an oilskin raincoat, patinated from life on the land moonlighting for mining companies—chasing other people’s dreams.
    — Genesee Keevil, Popular Mechanics, 17 May 2018

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Cite this Entry

“Waterproof.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/waterproof. Accessed 14 Oct. 2026.

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