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 brand calls the formula waterproof, transfer-proof and smudge-proof, with up to three days of wear on brows. — Ashley Lynch, Miami Herald, 21 Oct. 2026 Revlon also markets the formula as waterproof, transfer-proof and smudge-proof, with claims of up to three days of wear on eyebrows. — Ashley Lynch, Kansas City Star, 21 Oct. 2026
Noun
Finally, cover outlets that aren’t waterproof-rated, advises Dewey. — Louise Parks, Martha Stewart, 1 Aug. 2026 This gives you a 31% discount on a travel-friendly speaker packing a two-way speaker system, an IP67 waterproof and dustproof rating, 12 hours of battery life, and PartyBoost multispeaker syncing. — Juhi Wadia, PC Magazine, 31 July 2026 See All Example Sentences for waterproof
Recent Examples of Synonyms for waterproof
Adjective
  • Cadence capsules are magnetic, stackable, and leakproof cases to hold liquids most conveniently.
    — Nneya Richards, Travel + Leisure, 11 Oct. 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
  • The Great Pumpkin flies around the world leaving presents in pumpkin patches for his staunchest believers.
    — Colin Fleming, Chicago Tribune, 30 Oct. 2026
  • Although the film is not true to some parts of the book, which caused some controversy among staunch King fans, Kubrick does bring to life the terrors King so aptly wrote about, including domestic abuse, isolation, helplessness, and alcoholism.
    — Radhika Seth, Vogue, 29 Oct. 2026
Noun
  • The true meaning of death lies in bookmarks and raincoats, not in textbooks and lecture theatres.
    — Literary Hub, Literary Hub, 28 Oct. 2026
  • Trade unions led the procession, followed by protesters in raincoats carrying flags and handmade placards.
    — Richard Engel, NBC news, 24 Oct. 2026
Noun
  • Those are emblazoned with signature Burberry knight, while outer boxes are decorated with the house’s tonal check, winking to the Burberry trench.
    — Jennifer Weil, Footwear News, 27 Oct. 2026
  • This water-repellent midi trench will keep you dry for a while.
    — Andrea Bussell, Travel + Leisure, 27 Oct. 2026
Noun
  • Founded in 1894 to outfit sailors with oilskins, Barbour remains family-owned.
    — Air Mail, Air Mail, 10 Oct. 2026
  • 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

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Cite this Entry

“Waterproof.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/waterproof. Accessed 2 Nov. 2026.

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