Crossword Genius

Wrong ruler is plummeting (7)


I believe the answer is:


'is plummeting' is the definition.

'wrong ruler' is the wordplay.
'wrong' becomes 'sin' (wrong can mean a sin or crime).
'ruler' becomes 'king' (king is a kind of ruler).

(Other definitions for sinking that I've seen before include "Declining" , "failing" , "Going down" , "Falling to the bottom" , "in decline" .)

I've seen this clue in The Guardian.
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