1. Colder- the coldest
2. Bigger- the biggest
3. More wonderful- the most wonderful
4. Happier - the happiest
5. Better - the best
6. More comfortable- the most comfortable
7. Easier- the easiest
8. Fatter- the fattest
9. Worse- the worst
10. Nicer- the nicest
11. Newer- the newest
12. More expensive- the most expensive
13. More hungry- the most hungry
14. sleepier- the sleepiest
15. Thinner- the thinnest