Across
- 1. indecent
- 3. immoral
- 5. illogical
- 8. impossible
- 10. irregular
- 11. unprepared
- 14. nonsense
- 15. invisible
- 17. unusual
- 18. unhelpful
Down
- 2. discomfort
- 4. inaccurate
- 6. disagree
- 7. unable
- 8. imperfect
- 9. uninteresting
- 12. irresistible
- 13. immobile
- 16. illegal