transcription, транскрипция: [ ˈer-ˌtīt ]
adjective
Date: 1760
1. : impermeable to air or nearly so
an airtight seal
2.
a. : having no noticeable weakness, flaw, or loophole
an airtight argument
b. : permitting no opportunity for an opponent to score
an airtight defense
• air·tight·ness noun