Find Synonyms
airproof Synonyms
Another word for airproof
Choosing another word for airproof depends on context, so the synonyms and similar words below are separated across 2 exact definitions and ranked by match strength.
• adjective (Context 1)
Impervious to the passage of air; sealed so that air cannot enter or escape.
Usage Example
"The laboratory samples were stored in airtight glass jars to prevent oxidation."
Strongest
airtight
hermetic
Strong
sealed
impermeable
impervious
• verb (Context 2)
To make a container, surface, or structure impervious to the passage of air.
Usage Example
"The technicians used silicone caulk to seal the joints around the ventilation ducts."
Strongest
seal
Strong
caulk
Weak
insulate
Opposites of airproof
The opposite of airproof shifts depending on context. Common opposites include:
leaky
unseal
permeable
ventilate
porous
breathable
ventilated
puncture
Cite this Entry
Wordmom. (2026). Synonyms for Airproof. In Wordmom Thesaurus. Retrieved Nov 5, 2026, from https://wordmom.com/synonyms/airproof