Crossword Genius

Terrible prose by impostor (5)

Ross

I believe the answer is:

poser

'impostor' is the definition.
(thesaurus)

'terrible prose' is the wordplay.
'terrible' indicates an anagram.
'prose' anagrammed gives 'POSER'.

'by' acts as a link.

(Other definitions for poser that I've seen before include "Tricky clue" , "Show-off" , "difficult puzzle" , "Particularly baffling problem" , "Problem to be solved" .)

I've seen this clue in The Hindu.
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