What context can I use each word in?
Learn when and how to use these words with these examples!
airtight
Example
The airtight container kept the cookies fresh for weeks. [airtight: adjective]
Example
The airtight door prevented any outside noise from entering the room. [airtight: adjective]
hermetic
Example
The hermetic seal on the jar kept the food fresh for months. [hermetic: adjective]
Example
The hermetic nature of the bunker made it an ideal shelter during the storm. [hermetic: adjective]
Good things to know
Which word is more common?
Airtight is more commonly used than hermetic in everyday language.
What’s the difference in the tone of formality between airtight and hermetic?
Both airtight and hermetic are formal words, but hermetic is more specialized and may be considered more formal in certain contexts.