ZILCH

Diddly-squat (5)

Solution has appeared in 3 crosswords (1 across and 2 down):

• Quick crossword No 16,655 — 2023-09-21 23:00:01
  20A: Nothing (5)
• Quick crossword No 16,069 — 2021-11-06 00:00:17
  17D: Zero (5)
• Quick crossword No 15,192 — 2019-01-16 00:00:06
  20D: Diddly-squat (5)