What does airtight mean in crosswords?

airtight means: not allowing air or gas to pass in or out

Which crossword clues can have airtight as the answer?

Possible clues for airtight include "Sealed against leaks".

airtight is also used as a crossword clue. The answer is often hermetic, 8 letters.

Word entry · 8 letters

Best crossword clue

"Sealed against leaks"

8 letters · collected on this word page

8 lettersPart of speech adjectiveSorted aghiirttStarts with AEnds with T1 cluesCommon crossword word

1A2I3R4T5I6G7H8T

Is this your crossword clue?

"airtight" is also used as a crossword clue. If that's what you saw, the answer is often hermetic (8 letters).

From air + tight.

“Tupperware founder Earl Tupper in 1946 introduced its plastic products to the public, and subsequently patented their flexible airtight seal.”
“We have an airtight argument they won’t be able to punch holes in.”
“airtight alibi”

Source: Wiktionary, CC BY-SA 4.0

01“Sealed against leaks”8 letters

Not quite right?

A_______