airtight

[adj] - having no weak points 2. [adj] - not allowing air or gas to pass in or out
Found on http://www.webdictionary.co.uk/definition.php?query=airtight

airtight

air-tight adjective having no weak points; `an airtight defense`; `an airtight argument`
Found on http://wordnetweb.princeton.edu/perl/webwn?s=airtight
No exact match found