Make sure to seal the container tightly to keep it airtight.
packaging
Frequency:
50
%
The packaging for the electronics was airtight to prevent damage from moisture.
Idiomatic Expressions for airtight
Phrase: Airtight case
Meaning: A situation or argument that is extremely convincing and leaves no room for doubt.
Usage: The lawyer presented an airtight case, leaving the jury with no choice but to rule in favor of the defendant.