Complete
00:00:00
6 8 10 13 16 19 21 7 1 18 17 2 9 15 14 3 12 20 11 4 5
  1. 1a Made plain (9)
  2. 8a Give off (5)
  3. 9a Laugh softly (7)
  4. 10a Mathematical science of shape (8)
  5. 11a Very French (4)
  6. 13a Yell at (anag) (6)
  7. 14a Underground chamber (6)
  8. 16a About — completed (4)
  9. 17a A little of it is said to be dangerous … (8)
  10. 19a … more dangerous (7)
  11. 20a It points the way (5)
  12. 21a It helps one when staring into space (9)
  13. 1d With ingenuity (8)
  14. 2d Harmony (6)
  15. 3d Greatly revered person (4)
  16. 4d Negotiator who acts as a link between the parties involved (12)
  17. 5d Loose robe — design's wrong (anag) (8,4)
  18. 6d Cowboy headgear (3-6,3)
  19. 7d Mirthful Noel (anag) — nothing special (3-2-3-4)
  20. 12d Bearing (8)
  21. 15d Uncomfortably strange person (6)
  22. 18d Gives assistance (4)