airtight

adjective
air·​tight | \ ˈer-ˌtīt How to pronounce airtight (audio) \

Definition of airtight

1 : impermeable to air or nearly so an airtight seal
2a : having no noticeable weakness, flaw, or loophole an airtight argument
b : permitting no opportunity for an opponent to score an airtight defense

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Other Words from airtight

airtightness noun

Examples of airtight in a Sentence

Store the food in an airtight container. The defendant had an airtight alibi.

Recent Examples on the Web

Make Ahead: The baked cake can be stored in an airtight container at room temperature for up to 3 days. Becky Krystal, The Denver Post, "With their powers combined, strawberries, pistachios and olive oil make for one splendid cake," 4 Sep. 2019 Remove chocolate from the molds and place in an airtight container. San Diego Union-Tribune, "Gift for cooking experiments brings County Fair ribbons galore," 3 Sep. 2019 Make Ahead: The pasta salad can be refrigerated in an airtight container for up to 3 days. Los Angeles Times, "The only pasta salad recipe you’ll ever need," 31 Aug. 2019 The simple syrup can be refrigerated in an airtight container for up to 6 months. M. Carrie Allan, Twin Cities, "No alcohol, no problem: How to make complex, balanced zero-proof cocktails," 19 Aug. 2019 Transfer to an airtight, non-aluminum container and chill for several hours. Denise Drower Swidey, BostonGlobe.com, "Healthy hacks and 2 recipes to help keep your good eating habits on track," 20 Aug. 2019 The simple syrup can be refrigerated in an airtight container for up to 6 months. M. Carrie Allan, Twin Cities, "No alcohol, no problem: How to make complex, balanced zero-proof cocktails," 19 Aug. 2019 The simple syrup can be refrigerated in an airtight container for up to 6 months. M. Carrie Allan, Washington Post, "No alcohol, no problem: How to make complex, balanced zero-proof cocktails," 14 Aug. 2019 Store in an airtight container in the fridge for up to 2 weeks. Dallas News, "3 Indian sweets with a twist from our favorite new cookbook 'Milk & Cardamom'," 12 Aug. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'airtight.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of airtight

1728, in the meaning defined at sense 1

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Dictionary Entries near airtight

airt

air tanker

air taxi

airtight

airtime

air-to-air

air-to-ground

Statistics for airtight

Last Updated

9 Sep 2019

Look-up Popularity

Time Traveler for airtight

The first known use of airtight was in 1728

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More Definitions for airtight

airtight

adjective

English Language Learners Definition of airtight

: tightly sealed so that no air can get in or out
: too strong or effective to fail or to be defeated

airtight

adjective
air·​tight | \ ˈer-ˈtīt How to pronounce airtight (audio) \

Kids Definition of airtight

: so tightly sealed that no air can get in or out Store the cookies in an airtight container.

More from Merriam-Webster on airtight

Rhyming Dictionary: Words that rhyme with airtight

Spanish Central: Translation of airtight

Nglish: Translation of airtight for Spanish Speakers

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