The most common and most likely answer to this crossword clue is the 8 letter word UNFITTED
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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 UNFITTED mean?
UNFITTED adjective- Not suited, not fit (for something).
- (of a garment) Not customized, tailored or cut to fit.
- Of trains, or wagons in the train, not having a through brake pipe, or brakes on the wagons that can be operated from the locomotive (the wagons did have handbrakes however).
- To make unfit; to render unsuitable, spoil, disqualify.