airtight

adjective

Pronunciation: /ˈɛətaɪt/

Also written: air-tight. Same meaning; acceptable spelling variants.

Definition

Constructed or sealed in a way that prevents the passage of air or gas.

Examples

• The new windows are so airtight that we no longer hear any traffic noise.

• Ensure the storage bag is airtight before placing it in the freezer.

• The scientist checked the chamber to confirm it was perfectly airtight.

How to Use airtight

an airtight case (collocation)

An argument or plan that cannot be criticized. — "The detective built an airtight case against the suspect."

keep airtight (collocation)

To maintain a seal to preserve contents. — "Keep the coffee beans in an airtight container to maintain flavor."

Synonyms of airtight

Words with a similar meaning to airtight:

• sealed
• watertight
• hermetic
• impenetrable

Antonyms of airtight

Words with the opposite meaning to airtight:

• leaky
• porous

Browse the full Anaversity dictionary