OBDURATE

Inflexible (8)

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

• Quick crossword No 16,324 — 2022-08-31 23:00:38
  24A: Stubbornly persistent (8)
• Quick crossword No 15,360 — 2019-07-30 23:00:29
  5D: Inflexible (8)