1
as in watertight
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2
as in bulletproof
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Recent Examples of airtight
Natural corks, while not entirely airtight, typically allow only a minimal amount of oxygen to enter over time.
—
Roger Dooley, Forbes, 12 Dec. 2024
The neighbor’s sign, while biting, underscored an emerging reality in Arizona’s sizable Latter-day Saints community — that while church members are overwhelmingly Republican, there is some erosion in their traditionally airtight support for Republicans.
—Faith E. Pinho, Los Angeles Times, 13 Oct. 2024
These passed our leak test, but our avocado browned quite a bit overnight, suggesting that these containers aren’t entirely airtight.
—Lizzy Briskin, Peoplemag, 9 Sep. 2024
Their defense is hardly airtight, but the schedule — the full schedule, not just the conference lineup — is largely devoid of teams capable of slowing the Cowboys’ attack.
—Jon Wilner, The Mercury News, 15 May 2024
See All Example Sentences for airtight
Roger Dooley, Forbes, 12 Dec. 2024
The neighbor’s sign, while biting, underscored an emerging reality in Arizona’s sizable Latter-day Saints community — that while church members are overwhelmingly Republican, there is some erosion in their traditionally airtight support for Republicans.
—Faith E. Pinho, Los Angeles Times, 13 Oct. 2024
These passed our leak test, but our avocado browned quite a bit overnight, suggesting that these containers aren’t entirely airtight.
—Lizzy Briskin, Peoplemag, 9 Sep. 2024
Their defense is hardly airtight, but the schedule — the full schedule, not just the conference lineup — is largely devoid of teams capable of slowing the Cowboys’ attack.
—Jon Wilner, The Mercury News, 15 May 2024
See All Example Sentences for airtight
Recent Examples of Synonyms for airtight
Adjective
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Tunnels are also not truly watertight, requiring drainage measures like sump pumps and creating maintenance and reliability issues, the group advised.—
Skyler Swisher,
The Orlando Sentinel,
15 Feb. 2026
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Shots and goals from fast breaks in the Premier League since 2018-19 Brentford set up to hit Sunderland on counter-attacks, knowing how Le Bris’ side can defend for long periods and are watertight, conceding just three in their past five before coming to south-west London.—
Liam Tharme,
New York Times,
8 Jan. 2026
Adjective
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It is equipped with bulletproof glass, security grilles and space for armored vehicles.—
Kim Hjelmgaard,
USA Today,
22 May 2026
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No one wants to start a fight with the Army, so Netflix better hope that its systems are bulletproof.—
Jennifer Zhan,
Vulture,
19 Mar. 2026
Adjective
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The opening moments of this penultimate episode evoke enough genuine idealism and hope to feel like a rare breath of fresh air, holding the hermetic nastiness of the series in sharp relief.—
Scott Tobias,
Vulture,
17 May 2026
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The idea was first proposed by Cicero and lived on through the hermetic tradition.—
Literary Hub,
Literary Hub,
13 May 2026
Adjective
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Now, heading into this upcoming special legislative session on the state budget, my focus is on locking in funding for more local water projects — and for Resilient Florida.—
Anna V. Eskamani,
The Orlando Sentinel,
24 May 2026
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While the exact financial impact of Operation Midway Blitz in Illinois isn’t yet known, Hilda Alvarez Rodriguez, special projects manager at the Illinois Hispanic Chamber of Commerce, said the vast majority of Chicago businesses did not emerge unscathed.—
Jack O'Connor,
Chicago Tribune,
24 May 2026
Adjective
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LifeStraw’s redesigned Peak Series Straw features a durable, leakproof design that’s great for backcountry treks.—
Sheena Vasani,
The Verge,
22 May 2026
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The leakproof silicone design is the real selling point here because nobody wants to open their suitcase to discover conditioner exploded everywhere mid-flight.—
Chaise Sanders,
Travel + Leisure,
19 May 2026
Adjective
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Stowers is similarly sized to Sadiq (6-4 and 239 at the Combine) and put up high-grade athletic testing marks.—
Parker Gabriel,
Denver Post,
14 Apr. 2026
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Together, these techniques provided a high-definition roadmap for how waste plastic can successfully evolve into high-grade fuel for various industries.—
Mrigakshi Dixit,
Interesting Engineering,
9 Apr. 2026
Adjective
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Among all of Crichton’s books, Sphere is the densest, most effective vehicle of novelistic pleasure.—
Ian Mackenzie,
Literary Hub,
27 May 2026
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Early in its history, cold, dense surface rock would have sunk through hot mantle rock in ways that bear little resemblance to modern plate tectonics.—
Scott K. Johnson,
ArsTechnica,
26 May 2026
Adjective
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Atlas benefits further from a simplified hardware design, featuring symmetrical limbs and just two actuator types, making simulation and transfer more accurate and efficient.—
Jijo Malayil,
Interesting Engineering,
27 May 2026
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They were armed with Glock pistols, which are only accurate for a short distance.—
ABC News,
ABC News,
27 May 2026
Cite this Entry
“Airtight.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/airtight. Accessed 31 May. 2026.
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