as in waterproof
unable to be penetrated by water because of construction or treated material
the campers stayed dry in their leakproof tents
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
Example Sentences
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
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
-
Designed to withstand water splashes and rain (but don’t swim in them), the Baseus Bowie MC2 Open Ear Clip-on Earbuds have an IP67 waterproof rating.
-
This travel-friendly sound system is mounted in a crushproof, waterproof, lockable pelican case.
Adjective
-
That leaves Shapiro—an Orthodox Jew and staunch Zionist—in a tough spot.
-
The public is warming up to nuclear, too – after decades of staunch opposition, a 2024 survey commissioned by the Energy Department found that more than 70% of Filipinos trust nuclear power as a reliable source of electricity, and many support rehabilitating the BNPP.
Cite this Entry
“Leakproof.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/leakproof. Accessed 4 Jul. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
