airtight: Meaning and Definition of

air•tight

Pronunciation: (âr'tīt"), [key]
— adj.
  1. preventing the entrance or escape of air or gas.
  2. having no weak points or openings of which an opponent may take advantage: an airtight contract.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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