The most common and most likely answer to this crossword clue is the 10 letter word EXHAUSTION
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More clues leading to the result EXHAUSTION
Buddy explains!
The straight part
We know that "fatigue" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case fatigue = exhaustion.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does EXHAUSTION mean?
EXHAUSTION noun- The point of complete depletion, of the state of being used up.
- Supreme tiredness; having exhausted energy.
- The removal (by percolation etc) of an active medicinal constituent from plant material.
- The removal of all air from a vessel (the creation of a vacuum).
- An exhaustive procedure