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
Synonyms for airtight
Phrases with airtight
Example
He had an airtight alibi for the night of the robbery.
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.
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.
