BLEEP

High-pitched electronic noise (5)

Solution has appeared in 2 crosswords (0 across and 2 down):

• Quick crossword No 16,650 — 2023-09-15 23:00:14
  18D: Sound that prevents what was actually said being heard (5)
• Quick crossword No 16,312 — 2022-08-17 23:00:29
  18D: High-pitched electronic noise (5)