air-tight Meaning, Definition & Usage

  1. adjective satellite having no weak points
    airtight.
    • an airtight defense
    • an airtight argument
  2. adjective satellite not allowing air or gas to pass in or out
    airtight; gas-tight.

WordNet

Air"-tight` adjective
Definitions
  1. So tight as to be impermeable to air; as, an air-tight cylinder.
Air"-tight` noun
Definitions
  1. A stove the draft of which can be almost entirely shut off. Colloq. U. S.

Webster 1913