STUPID

Unintelligent (6)

Solution has appeared in 4 crosswords (2 across and 2 down):

• Quick crossword No 16,686 — 2023-10-27 23:00:00
  17D: Dim (6)
• Quick crossword No 16,132 — 2022-01-20 00:00:05
  16D: Mindless (6)
• Quick crossword No 15,782 — 2020-12-05 00:00:25
  13A: Silly (6)
• Quick crossword No 15,293 — 2019-05-13 23:00:16
  12A: Unintelligent (6)