What context can I use each word in?
Learn when and how to use these words with these examples!
invariant
Example
The speed of light is an invariant in physics. [invariant: noun]
Example
The equation remains invariant under certain conditions. [invariant: adjective]
fixed
Example
The picture frame is fixed to the wall. [fixed: verb]
Example
The deadline for the project is fixed and cannot be extended. [fixed: adjective]
Good things to know
Which word is more common?
Fixed is more commonly used than invariant in everyday language. Fixed is versatile and covers a wide range of contexts, while invariant is less common and is typically used in technical or scientific contexts.
What’s the difference in the tone of formality between invariant and fixed?
Both invariant and fixed can be used in formal contexts, but invariant may be perceived as more technical and precise, while fixed can be used in a wider range of formality levels.
