Definition of Air-tight

Babylon English
air tight
hermetically sealed, impermeable to air; having no weakness or flaw

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Air-tight definition was found in categories: Language, Idioms & Slang(3)  

Air-tight Definition from Language, Idioms & Slang Dictionaries & Glossaries

Webster's Revised Unabridged Dictionary (1913)
Air-tight
(n.)
A stove the draft of which can be almost entirely shut off.
  
(a.)
So tight as to be impermeable to air; as, an air-tight cylinder.
  

WordNet 2.0
air-tight

Adjective
1. having no weak points; "an airtight defense"; "an airtight argument"
(synonym) airtight
(similar) invulnerable
2. not allowing air or gas to pass in or out
(synonym) airtight, gas-tight
(similar) tight

hEnglish - advanced version
air-tight

air-tight
\air"-tight`\ (&?;), a. so tight as to be impermeable to air; as, an air-tight cylinder.
air-tight
\air"-tight`\, n. a stove the draft of which can be almost entirely shut off. [colloq. u. s.]