HURDLE

Challenge (to be cleared) (6)

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

• Quick crossword No 16,281 — 2022-07-12 23:00:07
  17D: Obstacle to be negotiated (6)
• Quick crossword No 15,200 — 2019-01-25 00:00:20
  15A: Challenge (to be cleared) (6)