Crossword Genius

Twisted, defrocked parson fuelling uproar (7)

Ross

I believe the answer is:

helical

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

I can't explain the remainder of the clue.

Can you help me to learn more?

(Other definitions for helical that I've seen before include "Like a spiral or spring" , "Spiral-shaped" , "Curled like corkscrew" , "Like the pattern on a snail's shell" , "In the form of a spiral" .)

I've seen this clue in The Independent.
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