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
Think space-saving packing cubes, leakproof toiletry bottles, and clever gadgets that help keep every trip running smoothly—starting at just $14.
—
Chaise Sanders, Travel + Leisure, 17 Oct. 2025
Shoppers who’ve awarded the containers a perfect rating appreciate that the fridge staples are leakproof and microwave- and dishwasher-safe.
—Isabel Garcia, PEOPLE, 8 Oct. 2025
In addition to general food storage, they can be used as leakproof lunch or snack containers that can go in the fridge, freezer, microwave, and even oven.
—Emily Farris, Bon Appetit Magazine, 8 Oct. 2025
The blanket is waterproof and leakproof.
—Christine Persaud, USA Today, 8 Oct. 2025
Stanley Quencher ProTour Flip Straw Tumbler An Amazon best-seller, this 20-ounce Stanley cup features a bright red color—otherwise known as Hot Coral Fade—and a convenient flip straw that provides leakproof hydration whenever necessary.
—Stephanie Osmanski, Better Homes & Gardens, 7 Oct. 2025
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
Chaise Sanders, Travel + Leisure, 17 Oct. 2025
Shoppers who’ve awarded the containers a perfect rating appreciate that the fridge staples are leakproof and microwave- and dishwasher-safe.
—Isabel Garcia, PEOPLE, 8 Oct. 2025
In addition to general food storage, they can be used as leakproof lunch or snack containers that can go in the fridge, freezer, microwave, and even oven.
—Emily Farris, Bon Appetit Magazine, 8 Oct. 2025
The blanket is waterproof and leakproof.
—Christine Persaud, USA Today, 8 Oct. 2025
Stanley Quencher ProTour Flip Straw Tumbler An Amazon best-seller, this 20-ounce Stanley cup features a bright red color—otherwise known as Hot Coral Fade—and a convenient flip straw that provides leakproof hydration whenever necessary.
—Stephanie Osmanski, Better Homes & Gardens, 7 Oct. 2025
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
Recent Examples of Synonyms for leakproof
Adjective
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This $10 one from Amazon is made of waterproof nylon with RFID blocking, so your cards stay dry and your data stays private, and the sturdy zippers feel reassuringly secure without adding bulk.—
Rosie Marder,
Travel + Leisure,
19 Oct. 2025
-
In addition to being functional, these waterproof boots are stylish, too(even celebrities like Kate Winslet appreciate a fall Chelsea boot).—
Sian Babish,
PEOPLE,
18 Oct. 2025
Adjective
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Seeking a second consecutive term on council, Gillette is notable on the council for his staunch conservative views, including supporting an anti-transgender sports ban voted in by the council in 2023.—
PJ Green
October 20,
Kansas City Star,
20 Oct. 2025
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He's been a staunch supporter of the death penalty from day one, as illustrated by the toy electric chairs on his desk.—
Haley BeMiller,
Cincinnati Enquirer,
19 Oct. 2025
Cite this Entry
“Leakproof.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/leakproof. Accessed 23 Oct. 2025.
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