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
Leakproof Toiletry Bottles Though travel-size toiletry holders are not exactly new, this set from Mrsdry is a favorite because of its leakproof build.
—
Kristin Braswell, Travel + Leisure, 8 Mar. 2026
Tekton bonds the body together into a seamless, self-supporting monocoque optimized for thermal and leakproof integrity.
—New Atlas, 4 Mar. 2026
Similar to its other products, this one has a leakproof lid, closeable straw cap, and wide mouth for easy drinking.
—Outside, 5 Feb. 2026
It’s made from triple-layer stainless steel, has a leakproof lid, and comes with a dual straw and sip lid.
—Alicia Geigel, Southern Living, 29 Jan. 2026
The team revealed that to achieve leakproof liquid and vapor containment, in addition to adequate insulation and support, the DUNE cryostats are composed of several layers.
—Prabhat Ranjan Mishra, Interesting Engineering, 15 Jan. 2026
Its pairs come in easy hipster and bikini cuts in plenty of approachable colors and prints, as well as leakproof undies that can make navigating a first period or heavier cycle more comfortable.
—Malia Griggs, Glamour, 12 Dec. 2025
Rambler 26-ounce Bottle More than 1,000 Amazon shoppers have already purchased this Yeti water bottle, fully equipped with an easy-carrying handle and leakproof straw cap for sipping on the go.
—Mia Huelsbeck, PEOPLE, 29 Nov. 2025
Kristin Braswell, Travel + Leisure, 8 Mar. 2026
Tekton bonds the body together into a seamless, self-supporting monocoque optimized for thermal and leakproof integrity.
—New Atlas, 4 Mar. 2026
Similar to its other products, this one has a leakproof lid, closeable straw cap, and wide mouth for easy drinking.
—Outside, 5 Feb. 2026
It’s made from triple-layer stainless steel, has a leakproof lid, and comes with a dual straw and sip lid.
—Alicia Geigel, Southern Living, 29 Jan. 2026
The team revealed that to achieve leakproof liquid and vapor containment, in addition to adequate insulation and support, the DUNE cryostats are composed of several layers.
—Prabhat Ranjan Mishra, Interesting Engineering, 15 Jan. 2026
Its pairs come in easy hipster and bikini cuts in plenty of approachable colors and prints, as well as leakproof undies that can make navigating a first period or heavier cycle more comfortable.
—Malia Griggs, Glamour, 12 Dec. 2025
Rambler 26-ounce Bottle More than 1,000 Amazon shoppers have already purchased this Yeti water bottle, fully equipped with an easy-carrying handle and leakproof straw cap for sipping on the go.
—Mia Huelsbeck, PEOPLE, 29 Nov. 2025
Recent Examples of Synonyms for leakproof
Adjective
-
The waterproof mats, about 3 feet wide and 6 feet long, take 500 to 700 bags to complete.—
Melinda Moore,
Chicago Tribune,
26 Mar. 2026
-
Best Picks for Adventuring Merrell Moab 3 Waterproof A contoured footbed, superior shock absorption, a grippy Vibram outsole, and waterproof upper make this shoe ready for all-conditions adventure.—
Lisa Jhung,
Outside,
26 Mar. 2026
Adjective
-
Kiswani has been a lightning rod for political controversy, even taking stands against Mayor Mamdani, the city’s first Muslim mayor and staunch proponent of Palestinian rights.—
Rocco Parascandola,
New York Daily News,
27 Mar. 2026
-
Neither the United States nor Israel has accepted responsibility for the attack, which has come under staunch criticism from the United Nations and human rights groups.—
ABC News,
ABC News,
27 Mar. 2026
Cite this Entry
“Leakproof.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/leakproof. Accessed 30 Mar. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
