airtight

airtight has 4 senses in the JumbleFix dictionary. Letters: 8.

Definitions

• a.. So tight as to be impermeable to air; as, an air-tight cylinder.
• n.. A stove the draft of which can be almost entirely shut off.
• a.. not allowing air or gas to pass in or out
• a.. having no weak points; "an airtight defense"; "an airtight argument"