as in waterproof
unable to be penetrated by water because of construction or treated material
the campers stayed dry in their leakproof tents
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Recent Examples of leakproof
This water bottle is leakproof when closed and easy to fill and drink from, thanks to its wide cap.
—
Bestreviews, Chicago Tribune, 21 Aug. 2025
According to a recent study by Kantar, 38 percent of women, and 51 percent of those ages 12 to 24, use leakproof underwear.
—Julia Teti, Footwear News, 11 Aug. 2025
Since Knix was founded in 2013, the brand has sold over 15 million pairs of its leakproof underwear, according to a press release, with customers generally buying more than five pairs at a time.
—Victoria Montalti, Refinery29, 11 Aug. 2025
Bestreviews, Chicago Tribune, 21 Aug. 2025
According to a recent study by Kantar, 38 percent of women, and 51 percent of those ages 12 to 24, use leakproof underwear.
—Julia Teti, Footwear News, 11 Aug. 2025
Since Knix was founded in 2013, the brand has sold over 15 million pairs of its leakproof underwear, according to a press release, with customers generally buying more than five pairs at a time.
—Victoria Montalti, Refinery29, 11 Aug. 2025
Recent Examples of Synonyms for leakproof
Adjective
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Its waterproof exterior is a must-have in the summer heat, plus it’s made with RFID-blocking technology to keep your cards and other personal information protected.—
Merrell Readman,
Travel + Leisure,
14 Sep. 2025
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The bubble-style and waterproof glass bulbs emit a warm LED glow from dusk to dawn, no power source needed.—
Mariana Best,
Better Homes & Gardens,
14 Sep. 2025
Adjective
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Established in 1945 by advertising pioneer Albert Lasker and his wife, Mary, who was a staunch advocate for medical research, the awards highlight basic biological discoveries and advances that improve human health.—
Michael T. Nietzel,
Forbes.com,
14 Sep. 2025
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Forget the critics and the staunch music execs, the fans are so ready!—
Michael Nied,
PEOPLE,
13 Sep. 2025
Cite this Entry
“Leakproof.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/leakproof. Accessed 17 Sep. 2025.
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