Crossword Genius

Barry stripped to change with suit too ratty? (10)

Ross

I believe the answer is:

traitorous

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'ratty?' is the definition.
Both the definition and answer are adjectives. Perhaps they are linked in a way I don't understand?

'barry stripped to change with suit too' is the wordplay.
'stripped' indicates the central letters (outside letters removed).
'to change with' indicates an anagram.
The centre of 'barry' is 'arr'.
'suit'+'too'='suittoo'
'arr' with its letters anagrammed with 'suittoo' can make 'TRAITOROUS'.

Can you help me to learn more?

(Other definitions for traitorous that I've seen before include "Betraying" , "throwing down the Emperor?" , "Unfaithful" , "committing treachery" , "Disloyal" .)

I've seen this clue in The Independent.
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