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
Each light contains eight bright LED lights that are waterproof and feature an external waterproof switch. Stephanie Osmanski, Better Homes & Gardens, 5 Feb. 2026 Additionally, since this piece is machine washable with a nonslip backing, its waterproof barrier doesn’t sacrifice its plushness. Julia Harrison, Architectural Digest, 5 Feb. 2026
Noun
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 The waterproof, gel-like formula uses film-forming silicones and waxes to create a flexible yet budge-proof seal that locks pigment in place. Christa Joanna Lee, Allure, 11 Nov. 2025 See All Example Sentences for waterproof
Recent Examples of Synonyms for waterproof
Adjective
  • It’s made from triple-layer stainless steel, has a leakproof lid, and comes with a dual straw and sip lid.
    Alicia Geigel, Southern Living, 29 Jan. 2026
  • This stainless steel version from Bakpoco is leakproof, with a transparent, food-grade silicone lid that is BPA-, lead-, and plastic-free, and easy to clean, too.
    Alesandra Dubin, Travel + Leisure, 20 Jan. 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
  • But her path forward is unlikely due to the staunch opposition from Nurrenbern, the senator representing Hall’s district who was in charge of sponsoring her appointment.
    Kacen Bayless, Kansas City Star, 5 Feb. 2026
  • The bills were met with staunch support from the hundreds of residents who testified on Wednesday.
    Bryant Reed, CBS News, 4 Feb. 2026
Noun
  • But while British sleuths wear raincoats or umbrellas, Erica is more suited for a beautiful French scarf.
    Georg Szalai, HollywoodReporter, 19 Jan. 2026
  • Nylon raincoats can go longer, perhaps once a month or every two months, depending on the frequency of use.
    Mary Marlowe Leverette, The Spruce, 14 Jan. 2026
Noun
  • Stepping out to go shopping in Los Angeles, Jenner updated her classic trench and jeans formula with a little twist.
    Anna Cafolla, Vogue, 8 Feb. 2026
  • Go for classic khaki and a silhouette that's tailored but not too tight, like this longline trench on sale now at Nordstrom.
    Lane Nieset, Travel + Leisure, 7 Feb. 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 9 Feb. 2026.

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