waterproof 1 of 2

adjective

ˈwȯ-tər-ˌprüf How to pronounce waterproof (audio)
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

Synonyms & Similar Words

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Antonyms & Near Antonyms

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

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
Adjective
The Nike Air Max 95 Gore-Tex sees the classic sneaker weatherized beyond its namesake waterproof membrane. — Ian Servantes, Footwear News, 23 Sep. 2026 To ensure durability in saline conditions, the researchers used butyl rubber and cover glass, topped with a transparent epoxy resin outer protective layer to build a waterproof, pressure-resistant, and corrosion-resistant armor. — Ameya Paleja, Interesting Engineering, 21 Sep. 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
  1. leakproof
  2. slicker
  3. staunch
  4. raincoat
  5. trench
  6. oilskin
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
Definition of leakproof
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
Definition of slicker
Adjective
  • Both Wiener, a gay man and staunch advocate for the city’s large LGBTQ+ community, and Chan, who immigrated to the city from Hong Kong at age 13 and has deep ties to its large Chinese and immigrant communities, would make history by winning.
    — Kevin Rector, Los Angeles Times, 30 Sep. 2026
  • The exchange came as Schmitt has billed himself as a staunch sports fan.
    — Jack Harvel, Kansas City Star, 29 Sep. 2026
Definition of staunch
Noun
  • 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
  • She was last seen wearing a Winnie-the-Pooh shirt, a pink raincoat and white tennis shoes.
    — Yana Johnson, NBC news, 6 Sep. 2026
Definition of raincoat
Noun
  • There, trenches, benches, niches and other architectural devices are carved into the floor and walls—adding to the drama of the paintings covering the walls.
    — Jacqueline Ortoleva, Scientific American, 3 Oct. 2026
  • Its move past bohemian into bombers, blazers, trenches and zip-ups signals a category shift, not a seasonal moment, and the chocolate-brown palette flagged by Yahoo Shopping is neutral enough to carry into spring.
    — Lauren Schuster, Kansas City Star, 30 Sep. 2026
Definition of trench
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
Definition of oilskin

Browse Nearby Words

water nymphs
waterproof
waterproofed
See all Nearby Words

Cite this Entry

“Waterproof.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/waterproof. Accessed 5 Oct. 2026.

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