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
The leakproof lid is topped with bamboo to round out the sustainable look and feel of the bottle.
—
Clay Abney, Travel + Leisure, 20 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
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
Clay Abney, Travel + Leisure, 20 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
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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The faux foliage is extra sturdy, with an IP65 waterproof rating that stands up to rain, wind, and even snow.—
Mariana Best,
Better Homes & Gardens,
25 Oct. 2025
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These lightweight, waterproof shoes feature plush cushioning and a 12mm heel-to-toe drop to absorb impact during heel strikes.—
Nora Colomer
may earn a commission if you buy through our referral links. This content was created by a team that works independently from the Fox newsroom.,
FOXNews.com,
23 Oct. 2025
Adjective
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King, the famed horror writer, has emerged as a staunch Trump critic and frequently speaks out against the president on social media.—
Andrew Stanton,
MSNBC Newsweek,
27 Oct. 2025
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Takaichi, a staunch conservative and the first female prime minister of Japan, has drawn comparisons to the late Prime Minister Shinzo Abe, who was a close friend of Trump during his first term.—
David Zimmermann,
The Washington Examiner,
27 Oct. 2025
Cite this Entry
“Leakproof.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/leakproof. Accessed 29 Oct. 2025.
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