The most common and most likely answer to this crossword clue is the 6 letter word GAMEST
G
A
M
E
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T
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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 GAMEST mean?
GAMEST adjective- Willing to participate.
- (of an animal) That shows a tendency to continue to fight against another animal, despite being wounded, often severely.
- Persistent, especially in senses similar to the above.
- Injured, lame (of a limb).