Previous quick solution

Across: 1. Halo 8. Permissive 9. Constant 10. Rump

12. Spoils 14. Drowns 15. Wisdom 17. Mislay 18. Herb

19. Assassin 21. Give notice 22. Mask

Down: 2. Accomplice 3. Opts 4. Trials 5. Tilted 6. Usurious

7. Peep 11. Mendacious 13. Indebted 16. Meadow

17. Misfit 18. Huge 20. Seem