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Definitions

airtight

[air-tahyt] / ˈɛərˌtaɪt /




Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

His reasoning is pretty airtight: The Virginia Constitution says exactly when the “general election” was held for legal purposes, and it was Nov. 4, 2025.

From Slate • Apr. 24, 2026

He delivered an airtight opening argument that was stunning for how much stronger it was than opposing coach Ime Udoka’s.

From Los Angeles Times • Apr. 24, 2026

While the Huskies drain 3-pointers and play airtight defense, the 53-year-old Hurley puts on his own show on the sideline.

From The Wall Street Journal • Apr. 3, 2026

Andrew Crawford, of US non-profit the Center for Democracy and Technology, said it was "crucial" to maintain "airtight" safeguards around users' health information.

From BBC • Jan. 8, 2026

When I was inhaling, I made a nearly airtight seal with the mask by sucking it to my face.

From "The Martian" by Andy Weir




Vocabulary lists containing airtight