Crossword Genius

It may be winning — or nasty (6)

Ross

I believe the answer is:

streak

(Other definitions for streak that I've seen before include "Stripe in the hair, say" , "feature of bacon" , "Lucky spell" , "'Sudden flash, of lightning say (6)'" , "Long thin stripe - run naked" .)

I've seen this clue in The Guardian.
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.