Jonathan —, author of novels Every Last Cent and The Ten Word Game (4)

I believe the answer is:

gash

(Other definitions for gash that I've seen before include "Ghastly" , "Deep, jagged tear" , "surplus to requirements" , "Deep open cut" , "injury" .)

I've seen this clue in The Mirror.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.