Complete
00:00:00
7 9 16 17 20 22 1 12 13 2 18 3 10 23 8 11 21 4 14 19 5 15 6
  1. 1a Covering against sun or rain (6)
  2. 4a Rapidity (5)
  3. 7a Personage (6)
  4. 8a Operated by hand (6)
  5. 9a Liberate(d) (4)
  6. 10a Additional levy (8)
  7. 12a Initial — action before the main event (11)
  8. 17a Undo (a shoe?) (8)
  9. 19a Boarding school bedroom (abbr) (4)
  10. 20a Dismal (6)
  11. 21a Aural secretion (6)
  12. 22a Tall and thin (5)
  13. 23a Extensive landed property (6)
  14. 1d Tweet (7)
  15. 2d Non-existent location (7)
  16. 3d Jumping toy (4,5)
  17. 4d Asp, perhaps? (5)
  18. 5d Longest line of latitude (7)
  19. 6d Very high quality (2.4)
  20. 11d Hilarious — extraordinarily precious (9)
  21. 13d Vigorous towelling (3-4)
  22. 14d Independent Pyrenean state (7)
  23. 15d Distance measured in imperial units (7)
  24. 16d (Strike with a) heavy stick (6)
  25. 18d Soft and pleasant to sit on (5)