FALSETTO

Artificially high singing voice (8)

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

• Quick crossword No 16,717 — 2023-12-04 00:00:28
  11D: Unnaturally high voice (8)
• Quick crossword No 15,666 — 2020-07-22 23:00:26
  12A: Extra high male singing voice (8)
• Quick crossword No 15,229 — 2019-02-28 00:00:36
  8A: Artificially high singing voice (8)