What context can I use each word in?
Learn when and how to use these words with these examples!
airproof
Example
The food container is airproof, so the contents will stay fresh for longer. [airproof: adjective]
Example
The laboratory requires airproof conditions to conduct the experiment. [airproof: noun]
airtight
Example
The jar is airtight, so the jam inside won't spoil. [airtight: adjective]
Example
The room needs to be airtight to maintain the correct temperature. [airtight: adverb]
Good things to know
Which word is more common?
Airtight is more commonly used than airproof in everyday language. Airtight is versatile and covers a wide range of contexts, while airproof is less common and may be considered outdated in some contexts.
What’s the difference in the tone of formality between airproof and airtight?
Both airproof and airtight are formal words that are typically used in technical or scientific contexts. However, airproof may be considered outdated in some contexts and is less commonly used than airtight.