Crossword Genius

US puritan dejected by corrupt ones (8)

Ross

I believe the answer is:

bluenose

'us puritan' is the definition.
(bluenose is a US term for a prude or puritan)

'dejected by corrupt ones' is the wordplay.
'dejected' becomes 'blue' (I've seen this before).
'by' says to put letters next to each other.
'corrupt' indicates an anagram.
'ones' with letters rearranged gives 'nose'.
'blue'+'nose'='BLUENOSE'

(Another definition for bluenose that I've seen is " prude".)

I've seen this clue in The Times.
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