BEST

Optimal (4)

Solution has appeared in 4 crosswords (3 across and 1 down):

• Quick crossword No 16,202 — 2022-04-11 23:00:01
  18A: Highest quality (4)
• Quick crossword No 16,112 — 2021-12-28 00:00:05
  18A: As good as possible (4)
• Quick crossword No 15,550 — 2020-03-10 00:00:17
  1A: Worst — as good as can be (4)
• Quick crossword No 15,401 — 2019-09-16 23:00:09
  18D: Optimal (4)