Meaning & use
airtight
Sealed so tightly that no air, gas, or moisture can pass in or out.
See it in a sentence
She stored the cookies in an airtight container to keep them fresh.
The lawyer built an airtight case that left no room for doubt.
A note on using this word
Often used figuratively for arguments, alibis, or plans that have no weaknesses or gaps.
Words with a similar meaning
sealedimpermeable
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Words with an opposite meaning
leakyporous
Make it your own
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