Airproofadjective
airtight
Airproofverb
(transitive) To make airtight.
Airtightadjective
Being impermeable to air or other gases.
Airtightadjective
(figuratively) Having no weak points or flaws.
Airtightadjective
Highly reserved in some matter, particularly tight-lipped or tight-fisted.
Airtightadjective
having no weak points;
Airtightadjective
not allowing air or gas to pass in or out