Previous quick solution

Across: 1. Rude 3. Constant 9. Dungeon 10. Casts 11. Corresponded 14. Lag 16. Train 17. Err 18. Here and there 21. Gaffe

22. Torment 23. Delusion 24. Used.

Down: 1. Ridicule 2. Donor 4. Own 5. Second nature

6. Austere 7. Task 8. Nevertheless 12. Plain 13. Arrested

15. Gleeful 19. Evens 20. Aged 22. Too.