Pronunciation: /ɛrˌtaɪt/
adjective forming a tight seal that does not allow air or other substances to pass through
A1 The lid on the container was airtight.
A2 Make sure to seal the package in an airtight bag.
B1 The airtight seal on the window helped keep out the cold air.
B2 The airtight security measures at the airport ensured passenger safety.
C1 The contract was airtight, leaving no room for interpretation.
C2 The negotiations resulted in an airtight agreement that satisfied both parties.
formal The airtight container kept the food fresh for a longer period of time.
informal Make sure you seal the bag airtight to keep the chips from going stale.
slang I always zip my backpack airtight so nothing falls out.
figurative Her alibi was airtight, so there was no way she could have committed the crime.
airtighted
airtights
more airtight
most airtight
airtightens
will airtight
has airtight
is airtighting
airtight
airtight
to airtight
airtighting
airtighted