1. Swell (4) 2. Maiden (6) 3. Boat spines (5) 4. Breed of dog (6) 5. Triumphs (4) 8. Curvature of the legs (3,4) 9. Purge (5) 11. Third day of the week (7) 14. Very hard mineral (5) 16. Muslim headdress (6) 18. Unhealthy (6) 19. Kent coastal town (5) 21. German Mister (4) 23. Idle away time (4)