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
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Recent Examples of waterproof
Brandee Gruener, Southern Living, 29 Apr. 2026
The case is also made from a waterproof and shockproof material that’ll help protect your tech.
—Rylee Johnston, Travel + Leisure, 28 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
This makes cork a very durable, almost waterproof material that does an excellent job of preserving wine.
—Brandee Gruener, Southern Living, 29 Apr. 2026
The case is also made from a waterproof and shockproof material that’ll help protect your tech.
—Rylee Johnston, Travel + Leisure, 28 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
-
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
-
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
-
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
-
Porter, who questioned whether the policy was realistic last year, cast herself as a staunch defender of it, and of healthcare for undocumented immigrants.—
Ben Paviour
May 6,
Sacbee.com,
6 May 2026
-
Fetterman is a staunch supporter of Israel.—
Alex Nitzberg,
FOXNews.com,
6 May 2026
Noun
-
From trench coats to lightweight raincoats and cool bombers, shoppers will find funnel necks among collections from brands like Mango, Zara, Good American, COS and beyond.—
ABC News,
ABC News,
1 May 2026
-
Pack layers, a light raincoat, and a sense of adventure!—
Kara Williams,
USA Today,
25 Apr. 2026
Noun
-
Iranian cinema classics are a hot cinematic commodity these days in the indie trenches.—
Nick Vivarelli,
Variety,
1 May 2026
-
Anne Hathaway turns heads in an oversized leopard trench in New York City on April 28.—
Katie Hill,
PEOPLE,
1 May 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
Cite this Entry
“Waterproof.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/waterproof. Accessed 9 May. 2026.
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