The most common and most likely answer to this crossword clue is the 5 letter word WIGHT
I've seen this crossword clue in Financial Times
W
I
G
H
T
Buddy explains!
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 WIGHT mean?
WIGHT noun- A living creature, especially a human being.
- A being of one of the Nine Worlds of Heathen belief, especially a nature spirit, elf or ancestor.
- A ghost, deity or other supernatural entity.
- A wraith-like creature.
- (except in dialects) Brave, valorous, strong.
- Strong; stout; active.