Crossword Genius

Grind teeth together (5)

Ross

I believe the answer is:

gnash

(Other definitions for gnash that I've seen before include "Grind (teeth) together" , "Hangs (anag.)" , "Grind one's teeth" , "Strike one's teeth together in rage" , "champ" .)

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.