All airtight synonyms
air·tight
A a adj airtight
- impenetrable — not penetrable; that cannot be penetrated, pierced, entered, etc.
- invulnerable — incapable of being wounded, hurt, or damaged.
- irrefutable — not capable of being refuted or disproved: irrefutable logic.
- unassailable — not open to attack or assault, as by military force or argument: unassailable fortifications; unassailable logic.
- indisputable — not disputable or deniable; uncontestable. indisputable evidence.
- closed — A closed group of people does not welcome new people or ideas from outside.
- impermeable — not permeable; impassable.
- shut — to put (a door, cover, etc.) in position to close or obstruct.
- incontestable — incapable of being contested; not open to dispute; incontrovertible: incontestable proof.
adjective airtight
- sealed — an embossed emblem, figure, symbol, word, letter, etc., used as attestation or evidence of authenticity.
- hermetically sealed — airtight
- hermetic — made airtight by fusion or sealing.
- sound — The, a strait between SW Sweden and Zealand, connecting the Kattegat and the Baltic. 87 miles (140 km) long; 3–30 miles (5–48 km) wide.
- strong — having, showing, or able to exert great bodily or muscular power; physically vigorous or robust: a strong boy.
- unquestionable — not open to question; beyond doubt or dispute; indisputable; undeniable; certain: an unquestionable fact.
- watertight — constructed or fitted so tightly as to be impervious to water: The ship had six watertight compartments.
- flawless — having no defects or faults, especially none that diminish the value of something: a flawless Ming Dynasty vase.
- certain — If you are certain about something, you firmly believe it is true and have no doubt about it. If you are not certain about something, you do not have definite knowledge about it.