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Airtight - Meaning, Definition & English Examples

airtight

/ˈɛrtaɪt/ /ˈeətaɪt/

Definition:

Impervious to air or gas, preventing leakage or penetration.

Synonyms:

sealed, hermetic, watertight, impermeable

Part of Speech:

adjective

Antonyms:

leaky, permeable

Common Collocations:

airtight container, airtight seal, airtight argument, airtight alibi

Derivatives:

airtightness, airtightly

Usage Tips:

Use "airtight" for containers or arguments that are completely secure and without flaws.

Common Phrases:

airtight case, airtight defense, airtight excuse

Etymology:

Derived from "air" + "tight," first used in the early 19th century to describe sealed containers.

Examples:

  • 1. The jar has an airtight lid to keep food fresh.
  • 2. Her argument was so airtight that no one could challenge it.
  • 3. Store the chemicals in an airtight container for safety.
  • 4. The detective needed an airtight alibi to prove his innocence.

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