The most common and most likely answer to this crossword clue is the 4 plus 6 letter word SHOP SOILED
I've seen this crossword clue in The Guardian
S
H
O
P
S
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D
Buddy explains!
The straight part
We know that "not in good condition" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case not in good condition = shop soiled.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 SHOP SOILED mean?
SHOP SOILED adjective- Soiled from display in a shop; shopworn.