airtight
er tahyt
- s having no weak points
an airtight defense
an airtight argument - s not allowing air or gas to pass in or out
- The MooBella makes its treats on the spot, storing milk, sugar and other natural ingredients in sterile, airtight containers (think Parmalat).
- The computer's statistics, says Bernstein, "made our case airtight.
- Fooling around with airtight chambers, he found that a rocket could indeed fly in a vacuum, thanks to Newton's laws of action and reaction.