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
Synonyms & Similar Words
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Antonyms & Near Antonyms
as in slicker
a coat made of water-resistant material remember your waterproof if you're walking around London in the winter
Synonyms & Similar Words
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
Olivia Young, Travel + Leisure, 9 Apr. 2026 Inside of the massive buildings, hundreds of servers hum within gigantic soundproof and waterproof chambers. —Jessica Hill, Fortune, 9 Apr. 2026
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
Adjective
These lights are also waterproof and roll up into a small, easily packable disc. —Olivia Young, Travel + Leisure, 9 Apr. 2026 Inside of the massive buildings, hundreds of servers hum within gigantic soundproof and waterproof chambers. —Jessica Hill, Fortune, 9 Apr. 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
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Creating a leakproof barrier for your backpack, a rain cover is absolutely essential for blocking the rain from seeping in and soaking your trail snacks, electronic devices, and extra layers.— Olivia Young, Travel + Leisure, 20 Apr. 2026
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Or, for those tired of uncomfortable pads and tampons, now’s the time to try out Knix’s leakproof period underwear.— Izzy Baskette, PEOPLE, 17 Apr. 2026
Noun
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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
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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
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Saber rattling between the US and Cuba has reached a fever pitch following a US military operation in Caracas in January that captured Venezuelan leader Nicolás Maduro, a staunch ally of the Cuban government.— Patrick Oppmann, CNN Money, 16 Apr. 2026
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Leslie and her gruff-but-caring, staunch Libertarian boss Ron Swanson (the incomparable Nick Offerman) became symbols of bygone bipartisanship, not to mention endless memes.— Jennifer Armstrong, IndieWire, 15 Apr. 2026
Noun
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Grab your raincoat—skip the umbrella—and head on over to SIFF for these movies filmed or set in the PNW.— Alison Foreman, IndieWire, 15 Apr. 2026
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Keep your raincoat and boots nearby.— Hali Smith, Idaho Statesman, 13 Apr. 2026
Noun
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It should have been called swamp or something like that…trench.— Christine Terrisse, Los Angeles Times, 11 Apr. 2026
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The work required felling primeval trees measuring six feet in diameter and digging a deep trench through the marsh to accommodate boat traffic.— Literary Hub, Literary Hub, 10 Apr. 2026
Noun
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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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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
Cite this Entry
“Waterproof.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.grautoblog.com/thesaurus/waterproof. Accessed 24 Apr. 2026.
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