What context can I use each word in?
Learn when and how to use these words with these examples!
unfatigable
Example
The unfatigable athlete continued to train for hours without taking a break. [unfatigable: adjective]
Example
She worked on the project with an unfatigable spirit, never losing her motivation. [unfatigable: adjective]
indefatigable
Example
The indefatigable researcher spent years studying the rare disease, never giving up hope. [indefatigable: adjective]
Example
He was an indefatigable worker, always striving to do his best. [indefatigable: adjective]
Good things to know
Which word is more common?
Indefatigable is more commonly used than unfatigable in everyday language. Indefatigable has been in use for a longer time and is more versatile, allowing it to be used in both formal and informal contexts.
What’s the difference in the tone of formality between unfatigable and indefatigable?
Unfatigable is typically associated with a more formal tone, while indefatigable can be used in various formality levels, making it more versatile in different contexts.