airtight

adjective

Definition of airtightnext
1
as in watertight

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Dissimilar Words
2
as in bulletproof

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Dissimilar Words

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 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 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 But the United States' employment verification scheme is hardly airtight. — Edward Alden, Foreign Affairs, 11 Feb. 2013 See All Example Sentences for airtight
Recent Examples of Synonyms for airtight
  1. watertight
  2. bulletproof
  3. hermetic
  4. special
  5. leakproof
  6. high-grade
  7. dense
  8. accurate
Adjective
  • For now, access appears limited to the steadily expanding group of organizations granted access to Claude Mythos Preview through Anthropic’s — not entirely watertight — private Project Glasswing initiative.
    — Robert Hart, The Verge, 9 June 2026
  • 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
Definition of watertight
Adjective
  • The Spurs are almost as bulletproof as Oklahoma City on that end of the floor, but the Thunder have a bit more versatility and are more seasoned.
    — James L. Edwards III, New York Times, 27 May 2026
  • Later grants were used to install bulletproof glass around a playground near the street, as well as bulletproof glass in other classroom windows.
    — Jeff McDonald, San Diego Union-Tribune, 25 May 2026
Definition of bulletproof
Adjective
  • 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
  • The idea was first proposed by Cicero and lived on through the hermetic tradition.
    — Literary Hub, Literary Hub, 13 May 2026
Definition of hermetic
Adjective
  • Bloomfield oversees the resort’s culinary activities too, like a fireside supper for two and a special picnic basket to take on a scenic hike.
    — Condé Nast, Condé Nast Traveler, 8 Aug. 2026
  • She’s hired a former Georgia Supreme Court chief justice as a special prosecutor to get the state’s appellate courts to weigh in.
    — AJ Willingham, AJC.com, 7 Aug. 2026
Definition of special
Adjective
  • It’s made with food-grade stainless steel that is both BPA and phthalate free, and also features a leakproof lid that easily glides back and forth to open or close.
    — Stephanie Osmanski, Better Homes & Gardens, 17 July 2026
  • Each container comes with a leakproof, airtight, and BPA-free plastic lid that is safe for use in the microwave, dishwasher, and freezer, so each one is easy to use and clean.
    — Alicia Geigel, Southern Living, 14 July 2026
Definition of leakproof
Adjective
  • Simply clamp the Smart Jumper Cables with the mini flashlight directly onto the vehicle battery terminals and let the powerful 29600mWh (8000mAh) 4-cell, high-grade lithium-polymer battery do the work.
    — ABC News, ABC News, 8 Aug. 2026
  • Most of it is bigeye and yellowfin tuna, which is sold fresh as high-grade fish used in poke and sushi.
    — NPR, NPR, 3 Aug. 2026
Definition of high-grade
Adjective
  • Conditions that are too cold might delay proofing or rising, resulting in a super-dense loaf.
    — Karla Walsh, Better Homes & Gardens, 9 Aug. 2026
  • Local authorities did not say how the captives were rescued from the dense, expansive forest of the Kainji Lake National Park.
    — ABC News, ABC News, 8 Aug. 2026
Definition of dense
Adjective
  • The prerequisite to knowing business value is a cost model that is comprehensive, accurate and trusted.
    — Udam Dewaraja, Forbes.com, 10 Aug. 2026
  • My son was diagnosed with a spontaneous variant resulting in Tatton-Brown-Rahman syndrome, and my daughter ultimately received an accurate genetic diagnosis of Phelan-McDermid syndrome after years of unanswered questions.
    — Brad Quick, CNBC, 10 Aug. 2026
Definition of accurate

Browse Nearby Words

air taxis
airtight
airway
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Cite this Entry

“Airtight.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/airtight. Accessed 14 Aug. 2026.

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Nglish: Translation of airtight for Spanish Speakers

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