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airtight

[ˈɛərtaɪt]

airtight Definition

completely sealed, especially against the escape or entry of air.

Using airtight: Examples

Take a moment to familiarize yourself with how "airtight" can be used in various situations through the following examples!

  • Example

    The container must be airtight to keep the food fresh.

  • Example

    The windows in the new building are airtight and energy-efficient.

  • Example

    The lid on the jar was not airtight, so the jam spoiled quickly.

airtight Synonyms and Antonyms

Antonyms for airtight

Phrases with airtight

  • a claim or piece of evidence that proves someone's innocence beyond doubt

    Example

    He had an airtight alibi for the night of the robbery.

  • a legal case that is very strong and has no weaknesses

    Example

    The prosecution presented an airtight case against the defendant.

  • a completely sealed closure that prevents air or other substances from entering or escaping

    Example

    The astronaut's spacesuit had an airtight seal to protect him from the vacuum of space.

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Summary: airtight in Brief

'Airtight' [ˈɛərtaɪt] refers to something that is completely sealed, especially against the escape or entry of air. It is often used to describe containers or buildings that are designed to keep air out or in, such as 'The windows in the new building are airtight and energy-efficient.' 'Airtight' extends into phrases like 'airtight alibi,' which denotes a claim or piece of evidence that proves someone's innocence beyond doubt.