Complete
00:00:00
7 9 13 16 5 18 1 10 2 8 15 14 3 12 11 4 17 6
  1. 5a Improved (11)
  2. 7a Underground storage organ for some plants (4)
  3. 8a Lethargic (8)
  4. 9a With a rigid manner (7)
  5. 11a Ballroom dance originally from Germany (5)
  6. 13a Car crash (5)
  7. 14a English plume (de ma tante?) (7)
  8. 16a Be noticeable (5,3)
  9. 17a Cook in hot water (4)
  10. 18a Perceptiveness — good taste (11)
  11. 1d Pavement edge (4)
  12. 2d Small cake of deep-fried minced meat (7)
  13. 3d Haughty (5)
  14. 4d Not circulating or flowing (8)
  15. 5d Polluted (11)
  16. 6d Spread malicious gossip (informal) (4,3,4)
  17. 10d Liking (for something) (8)
  18. 12d Roman god of the sea (7)
  19. 15d Brassed off (5)
  20. 17d Meat — complaint (4)