Airtight

Adjective

 * 1) Being impermeable to air or other gases.
 * 2)  Having no weak points or flaws (as in an "airtight" argument).

Derived terms

 * airtighten
 * airtightness

Related terms

 * watertight

Thesaurus
ballproof; bombproof; bulletproof; burglarproof; close; compact; corrosionproof; dampproof; dustproof; dusttight; fast; fire-resisting; fireproof; firm; flameproof; foolproof; gasproof; gastight; hermetic; hermetically sealed; holeproof; impervious to; leakproof; lightproof; lighttight; noiseproof; oilproof; oiltight; proof; proof against; punctureproof; rainproof; raintight; resistant; rustproof; sealed; shatterproof; shellproof; shut fast; smokeproof; smoketight; snug; soundproof; staunch; stormproof; stormtight; tight; water-repellant; waterproof; watertight; weatherproof; windproof; windtight