adj. too tight for air or gas to enter or escape having no flaws or weaknesses -example-an airtight alibi- giving no opening for attack; invulnerable -example-an airtight defense-
The sealed bag was airtight.
The sealed bag was airtight.
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The hermetically sealed bag was airtight.
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air-tight; invulnerable
vulnerable
2 syllables
air-tight
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