COOL

Calm and collected (4)

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

• Quick crossword No 16,004 — 2021-08-22 23:00:48
  10A: Like a cucumber? (4)
• Quick crossword No 15,759 — 2020-11-09 00:00:54
  12D: Fashionable (informal) (4)
• Quick crossword No 15,599 — 2020-05-05 23:00:51
  18D: Neither warm nor very cold (4)
• Quick crossword No 15,569 — 2020-03-31 23:00:05
  18D: Calm and collected (4)