1. A thing that is fit to be eaten- Edible

2. A statement absolutely clear- Explicit

3. A widespread disease affecting many people at the same time- Epidemic

4. A trade that is prohibited by law- Gala day

5. A desire that cannot be represed- Illicit

6. A method that cannot be imitated- Irrespressible

7. Remarks which do not really apply to the subject under discussion –Inimitable

8. A story that can hardly be believed –Incredible

9. A comparison that is out of place- Inapt

10. That which cannot be satisfied- Insatiable