Complete
00:00:00
7 9 13 16 5 18 1 10 2 8 15 14 3 12 11 4 17 6
  1. 5 a Very steep (11)
  2. 7 a High point (4)
  3. 8 a Abnormally powerful person (8)
  4. 9 a Relief (7)
  5. 11 a Spicy Mexican sauce (5)
  6. 13 a Landing stage (5)
  7. 14 a Unoccupied post (7)
  8. 16 a Curved, like an eagle's beak (8)
  9. 17 a Bung — promotion (4)
  10. 18 a Student of races and peoples (11)
  11. 1 d Celebrate (4)
  12. 2 d Sticky (7)
  13. 3 d Ancient Roman country house (5)
  14. 4 d Greek minced lamb dish (8)
  15. 5 d Pretty — quaint (11)
  16. 6 d Indoor ball game venue — SAS cut our HQ (anag) (6,5)
  17. 10 d Scrap between women (8)
  18. 12 d Place where King Arthur held court (7)
  19. 15 d Swivel (5)
  20. 17 d Bucket (4)

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