airtight

[ air-tahyt ]

/ ˈɛərˌtaɪt /

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See synonyms for airtight on Thesaurus.com

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

Words nearby airtight

air switch, air system, airt, air taxi, air terminal, airtight, airtime, air-to-air, air-to-surface, air traffic, air-traffic control

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use airtight in a sentence

If you don’t, well, you can use plastic wrap or store them in airtight containers on the parchment paper.
Go full-on mad scientist by making your own Halloween candy|John Kennedy, Sandra Gutierrez G., Purbita Saha|October 30, 2020|Popular-Science
While an adhesive patch may stave off a leak for one night if you’re out in the backcountry, the only permanent solution for a puncture or tear is a glue that will bond with the fabric to create an airtight seal.
How to Repair Your Sleeping Pad at Home|Maren Larsen|October 4, 2020|Outside Online
If the standing requirement did not exist, there is a plausible — though not exactly airtight — argument that the ex-mandate is indeed unconstitutional.
7 big cases the Supreme Court will hear in its new term, explained|Ian Millhiser|October 1, 2020|Vox
Fecal matter is sealed into airtight bags and stored in canisters, most of which are packed onto a cargo ship that gets launched back towards Earth and burns up as it re-enters the atmosphere.
NASA is preparing to send its $23 million toilet to space|Rachael Zisk|September 29, 2020|Popular-Science

The bean hopper lid features an airtight seal which will help keep your grinds fresh if you are grinding for more than one cup at a time.
Gear to make every day feel like National Coffee Day|PopSci Commerce Team|September 29, 2020|Popular-Science
But good luck convincing other countries that the case against North Korea is airtight.
Cyberwar on North Korea Could Be Illegal|Shane Harris|December 23, 2014|DAILY BEAST
But the mystery unfolds over an airtight 22 minutes, not a laborious 8.5 hours.
Why ‘Arrested Development’s’ Fourth Season Is a Bust: Contracts and More|Marlow Stern|May 28, 2013|DAILY BEAST
As a reporter for nearly 40 years, I know an airtight story when I see one.
Philly Sportswriter Bill Conlin's Shame: Accused of Child Molestation|Buzz Bissinger|December 22, 2011|DAILY BEAST
Refrigerate in an airtight container; will keep for up to one month.
Lights, Camera, Cocktails|Brody Brown|August 5, 2011|DAILY BEAST
Place all ingredients in an airtight container and allow 12 to 24 hours for the infusion process.
Film-Inspired Cocktails: Sucker Punch|Brody Brown|March 26, 2011|DAILY BEAST
The whole was bound together with a molecular cement that made it practically airtight.
Student Body|Floyd L. Wallace
If there is no hole in the filler cap, the latter should not be screwed down so tightly that an airtight joint will be formed.
The Gasoline Motor|Harold Whiting Slauson
A warm floor is secured by laying it double with an airtight interlining of roofing paper or similar substance.
Making a Poultry House|Mary Roberts Conover
He'd bought a suit of airtight coveralls and a helmet at the field; he had some cash, and a set of reader cards in his pocket.
Police Your Planet|Lester del Rey
I find more sickness among the colored people where their cabins are better built and airtight.
At Boarding School with the Tucker Twins|Nell Speed

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

airtight

Origin of airtight

OTHER WORDS FROM airtight

Words nearby airtight

Words related to airtight

How to use airtight in a sentence

British Dictionary definitions for airtight