1. airtight

adjective. (ˈɛrˌtaɪt) Having no weak points.
Synonyms
invulnerable air-tight
Antonyms
vulnerable permeable unseaworthy
Etymology
airtight (English)
air (English)
air (Middle English (1100-1500))
aeir (Anglo-Norman)
tight (English)
thight (Middle English (1100-1500))
þéttr (Old Norse)
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2. airtight

adjective. (ˈɛrˌtaɪt) Not allowing air or gas to pass in or out.
Synonyms
gas-tight tight air-tight
Antonyms
leaky sober lax loose
Etymology
airtight (English)
air (English)
air (Middle English (1100-1500))
aeir (Anglo-Norman)
tight (English)
thight (Middle English (1100-1500))
þéttr (Old Norse)
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