GULF

Substantial gap (4)

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

• Quick crossword No 16,393 — 2022-11-21 00:00:39
  8A: Deep wide chasm (4)
• Quick crossword No 16,088 — 2021-11-29 00:00:40
  2D: Substantial gap (4)