GNASH

Grind (one's teeth) (5)

Solution has appeared in 2 crosswords (0 across and 2 down):

• Quick crossword No 16,279 — 2022-07-10 23:00:47
  1D: Grind teeth together (5)
• Quick crossword No 15,203 — 2019-01-29 00:00:17
  16D: Grind (one's teeth) (5)