ADDLE

Go bad — confuse (5)

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

• Quick crossword No 15,861 — 2021-03-09 08:42:50
  6D: Become rotten (5)
• Quick crossword No 15,717 — 2020-09-20 23:00:05
  21A: Go bad — confuse (5)