Previous quick solution

Across: 1. Ignite 5. Passed 9. Sniper 10. Belief 11. Kill 12. Equation 14. Relent 16. Fidget 19. Paralyse 21. Snub 22. Origin 23. Isobar 24. Thresh 25. Gadget

Down: 2. Genuine 3. Impulse 4. Earnestly 6. Arena 7. Sliding 8. Defunct 13. Unfeeling 14. Rapport 15. Lardier 17. Discord 18. Educate 20. Lairs.