Previous cryptic solution

Across: 1. Rival 4. Harbour 8. Contradiction 10. Exert 11. Tidy 12. Tang 16. Brine 17. Time after time 19. Derange 20. Toyed

Down: 1. Recapitulated 2. Van 3. Larder 4. Hedged 5. Recite 6. Originate 7. Running to seed 9. Midsummer 13. Obtain 14. Little 15. Secret 18. Icy