DOGGED

Pertinacious (6)

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

• Quick crossword No 16,631 — 2023-08-24 23:00:06
  15D: Persistent (6)
• Quick crossword No 15,896 — 2021-04-18 23:00:15
  11A: Pertinacious (6)