Meaning & Definition of word "Airtight"

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    Airtight

    /ˈɛrtaɪt/

    adjective:

    • 1. Unable to allow air or gas to pass through; sealed.
      • Example: The container is designed to be airtight to keep the food fresh.
    • 2. Impenetrable; impossible to refute or challenge.
      • Example: The lawyer presented an airtight case that convinced the jury.
    • 3. Not admitting any possibility of failure or leakage.
      • Example: The team has developed an airtight strategy to ensure the project's success.

    Etymology

    Late 19th century; from air + tight.

    Common Phrases and Expressions

    airtight alibi:

    An alibi that is so strong that it cannot be disproven.

    Related Words

    seal:

    To close something securely and prevent entry or escape.

    impermeable:

    Not allowing fluid to pass through.

    secure:

    Fixed or fastened tightly.

    Slang Meanings of airtight

    Meaning: Unassailably convincing or effective.

    Example Sentence: His plan was airtight, and everyone agreed it would work.