INTENSIFY

Escalate (9)

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

• Quick crossword No 15,902 — 2021-04-25 23:00:19
  9A: Deepen (9)
• Quick crossword No 15,794 — 2020-12-19 00:00:33
  6D: Escalate (9)