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airtight

[ air-tahyt ]
/ ˈɛərˌtaɪt /
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adjective
preventing the entrance or escape of air or gas.
having no weak points or openings of which an opponent may take advantage: an airtight contract.
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Origin of airtight

First recorded in 1750–60; air1 + tight

OTHER WORDS FROM airtight

airtightly, adverbairtightness, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use airtight in a sentence

British Dictionary definitions for airtight

airtight
/ (ˈɛəˌtaɪt) /

adjective
not permitting the passage of air either in or out
having no weak points; rigid or unassailablethis categorization is hardly airtight
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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