Across
- 4. Informal (!)
- 8. Discourage
- 10. Deep
- 12. Careful
- 13. Brave
- 14. Destructive (!)
- 16. Wide
- 17. Illogical (!)
- 18. Temporary
- 19. Fail
Down
- 1. Impractical (!)
- 2. Abnormal (!)
- 3. Below
- 5. Exterior
- 6. Optimist
- 7. Illegal (!)
- 9. Unproductive (!)
- 11. Support
- 13. Simple
- 15. Minor