air ‧ tight /ˈeətaɪt $ ˈer-/ BrE AmE adjective
1 . not allowing air to get in or out:
airtight containers
2 . planned or done so carefully that there is no chance of any problems or mistakes SYN watertight :
an airtight alibi
air ‧ tight /ˈeətaɪt $ ˈer-/ BrE AmE adjective
1 . not allowing air to get in or out:
airtight containers
2 . planned or done so carefully that there is no chance of any problems or mistakes SYN watertight :
an airtight alibi
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012