DEFEAT

Win a victory over (6)

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

• Quick crossword No 15,484 — 2019-12-23 00:00:29
  23A: Vanquish (6)
• Quick crossword No 15,326 — 2019-06-20 23:00:26
  17A: Win a victory over (6)