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 version also comes with a straw cap, which, when closed, is leakproof and shatter-resistant.
—
Lydia Mansel,
Travel + Leisure,
16 June 2026
For example, ads for Knix’s leakproof underwear were spotted inside New York City subway cars this spring, and often on Hulu.
—
Alyssa Goldberg,
USA Today,
8 June 2026
The tumbler’s leakproof lid also rotates for three comfortable sipping positions.
—
Sian Babish,
PEOPLE,
3 June 2026
LifeStraw’s redesigned Peak Series Straw features a durable, leakproof design that’s great for backcountry treks.
—
Sheena Vasani,
The Verge,
22 May 2026
The leakproof water tank lid is easily opened by pulling up on its bottom edge.
—
Bestreviews,
Mercury News,
13 May 2026
Packaged in a keepsake box for instant gifting, this kit also includes a leakproof tumbler (new moms need to stay hydrated), mini waterproof pouch, and a carryall for moms on the move.
—
Pamela Brill,
Parents,
7 Apr. 2026
Stop spills in their tracks by placing liquids in leakproof containers—even a Ziploc bag will do the trick in a pinch!
—
Hannah Chubb,
Condé Nast Traveler,
4 Apr. 2026
Lydia Mansel,
Travel + Leisure,
16 June 2026
For example, ads for Knix’s leakproof underwear were spotted inside New York City subway cars this spring, and often on Hulu.
—
Alyssa Goldberg,
USA Today,
8 June 2026
The tumbler’s leakproof lid also rotates for three comfortable sipping positions.
—
Sian Babish,
PEOPLE,
3 June 2026
LifeStraw’s redesigned Peak Series Straw features a durable, leakproof design that’s great for backcountry treks.
—
Sheena Vasani,
The Verge,
22 May 2026
The leakproof water tank lid is easily opened by pulling up on its bottom edge.
—
Bestreviews,
Mercury News,
13 May 2026
Packaged in a keepsake box for instant gifting, this kit also includes a leakproof tumbler (new moms need to stay hydrated), mini waterproof pouch, and a carryall for moms on the move.
—
Pamela Brill,
Parents,
7 Apr. 2026
Stop spills in their tracks by placing liquids in leakproof containers—even a Ziploc bag will do the trick in a pinch!
—
Hannah Chubb,
Condé Nast Traveler,
4 Apr. 2026
Recent Examples of Synonyms for leakproof
Adjective
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Grab this one-piece bathing suit with a cute design and ample coverage, and pair it with these waterproof sandals that shoppers compare to Birkenstocks.
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Perfect for humid or rainy weather, this version of the On Cloud 6 is made with a waterproof upper that will keep your feet dry in wet conditions.
Adjective
-
Frama’s shelving unit extends your staunch Brutalist design mindset to the bathroom.
-
Since splitting from OpenAI to start Anthropic in 2021, Amodei and his top executives have been staunch advocates for AI regulation and have supported legislation at both state and federal levels.
Cite this Entry
“Leakproof.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/leakproof. Accessed 26 Jun. 2026.
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