IMPROPER

Unsuitable (8)

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

• Quick crossword No 15,816 — 2021-01-15 00:00:21
  3A: Inappropriate (8)
• Quick crossword No 15,530 — 2020-02-15 00:00:45
  4D: Unsuitable (8)