airtight
(air-tight)
2 syllables
Definition
adjective. 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
Example Sentence
The sealed bag was airtight.
Synonyms
air-tight; invulnerable
Antonyms
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airtight
