variants or less commonly antileak
: serving or intended to prevent leaks
… until evidence is developed that America's system of free-flowing information actually harms the country's interests, additional anti-leak laws seem unwarranted.—Deborah M. Levy
an antileak compound for automobile radiators

Examples of anti-leak in a Sentence

Recent Examples on the Web
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.
The anti-leak material helped our tester feel comfortable both day and night. — Nikita Charuza, Peoplemag, 20 Feb. 2024

Word History

First Known Use

1884, in the meaning defined above

Time Traveler
The first known use of anti-leak was in 1884

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Cite this Entry

“Anti-leak.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/anti-leak. Accessed 1 Oct. 2026.

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