Crossword puzzle clue "render airtight"

Here are the possible solutions for render airtight clue

Answer
Clue
Relevancy
caulk
Clue
Render airtight
Definition
to make the seams of a ship watertight, also CALK
alibi
Clue
It may be airtight
It might be airtight
Suspect's "airtight" excuse
One might be airtight
It's best when it's airtight
It's best when airtight
Airtight story
Definition
the plea in a criminal charge of having been elsewhere at the relevant time

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