PANIC

Lose one's cool (5)

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

• Quick crossword No 15,754 — 2020-11-03 00:00:40
  4D: Alarm (5)
• Quick crossword No 15,640 — 2020-06-22 23:00:30
  11A: Terror (5)
• Quick crossword No 15,542 — 2020-02-29 00:00:30
  14D: Lose one's cool (5)