CAUSTIC

Scathing (7)

Solution has appeared in 2 crosswords (1 across and 1 down):

• Quick crossword No 16,564 — 2023-06-07 23:00:50
  1D: Corrosive (7)
• Quick crossword No 16,151 — 2022-02-11 00:00:34
  18A: Scathing (7)