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airtight

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adjective air·tight \ˈer-ˌtīt\

Simple Definition of airtight

  • : tightly sealed so that no air can get in or out

  • : too strong or effective to fail or to be defeated

Source: Merriam-Webster's Learner's Dictionary

Full Definition of airtight

  1. 1 :  impermeable to air or nearly so <an airtight seal>

  2. 2 a :  having no noticeable weakness, flaw, or loophole <an airtight argument> b :  permitting no opportunity for an opponent to score <an airtight defense>

airtightness noun

Examples of airtight in a sentence

  1. Store the food in an airtight container.

  2. The defendant had an airtight alibi.



1728

First Known Use of airtight

1728

Rhymes with airtight

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AIRTIGHT Defined for Kids

airtight

play
adjective air·tight \ˈer-ˈtīt\

Definition of airtight for Students

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




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