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. 1 a Incredulity (9)
  2. 8 a Golf clubs (5)
  3. 9 a Quick look (7)
  4. 10 a Middle East capital (8)
  5. 11 a Hill part — head part (4)
  6. 13 a Fixed (6)
  7. 14 a Wing of the main building (6)
  8. 16 a Land measure (4)
  9. 17 a Eschewing booze (8)
  10. 19 a Sumptuous (7)
  11. 20 a Fruit of the oak (5)
  12. 21 a Basics (9)
  13. 1 d Catastrophe (8)
  14. 2 d Engage by written agreement (4,2)
  15. 3 d Way out (4)
  16. 4 d Blemish (12)
  17. 5 d Unconstrained (12)
  18. 6 d Minor violation (12)
  19. 7 d We can agree on this (6,6)
  20. 12 d First letters (8)
  21. 15 d English mathematician and physicist, d. 1727 (6)
  22. 18 d Cooperative unit (4)

Across

Down