Across
- 3. strong
- 4. harmless
- 6. acceptable
- 8. mysterious
- 9. predictable
- 13. creative
- 14. significant
- 17. impressive
- 18. scientific
- 20. environmental
- 21. unrealistic
- 23. natural
Down
- 1. useless
- 2. reliable
- 4. hopeful
- 5. spicy
- 7. productive
- 10. considerable
- 11. accessible
- 12. sensitive
- 15. challenging
- 16. economical
- 19. dependent
- 22. enjoyable