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
To stay hydrated on your travels, score a leakproof CamelBak Thrive Mug for just $28.
—
Sophie Dodd, Travel + Leisure, 31 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
With a leakproof top, double-wall vacuum insulation and a clip-or-carry cap, this water bottle is a great choice for hiking and other outdoor activities.
—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
Sophie Dodd, Travel + Leisure, 31 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
With a leakproof top, double-wall vacuum insulation and a clip-or-carry cap, this water bottle is a great choice for hiking and other outdoor activities.
—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
Recent Examples of Synonyms for leakproof
Adjective
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Sorel noted that all three styles feature Gore-Tex waterproof fabric and Vibram traction outsoles.—
Stephen Garner,
Footwear News,
3 Nov. 2025
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Save space with these waterproof Chelsea boots that can double as rain gear, their non-slip rubber sole offering a super strong grip.—
Lane Nieset,
Travel + Leisure,
2 Nov. 2025
Adjective
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That experience, along with his father’s staunch opposition to the removals, helped form Kennedy’s powerful belief in the equality of all people and the importance of preserving and protecting individual rights.—
Sacbee.com,
Sacbee.com,
3 Nov. 2025
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The staunchest deflationist could deflate no longer.—
James Somers,
New Yorker,
3 Nov. 2025
Cite this Entry
“Leakproof.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/leakproof. Accessed 7 Nov. 2025.
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