Complete
00:00:00
7 9 13 16 5 18 1 10 2 8 15 14 3 12 11 4 17 6
  1. 5a Cartoon cavepeople (11)
  2. 7a Steep – drunkard (4)
  3. 8a Go and live elsewhere (8)
  4. 9a Lines showing equal pressure (7)
  5. 11a 18 holes of golf (5)
  6. 13a Dishonest person (5)
  7. 14a Give permission (7)
  8. 16a Courage (8)
  9. 17a US actor Nicolas or composer John (4)
  10. 18a Regularly over time (3,2,3,3)
  11. 1d Pilfer (4)
  12. 2d Chinese dish (4-3)
  13. 3d Hoard (5)
  14. 4d Smarmily ingratiating (8)
  15. 5d Wild-goose chase (5,6)
  16. 6d Christmas carol (6,5)
  17. 10d New York borough (8)
  18. 12d Workers' leader (7)
  19. 15d Dog – badger (5)
  20. 17d Nitwit – coagulate (4)