Yes, cutest is a Scrabble word!

Adjective

1. Separated into parts or laid open or penetrated with a sharp edge or instrument

2. Fashioned or shaped by cutting

3. With parts removed

4. Made neat and tidy by trimming

5. (used of grass or vegetation) cut down with a hand implement or machine

6. (of pages of a book) having the folds of the leaves trimmed or slit

7. (of a male animal) having the testicles removed

8. (used of rates or prices) reduced usually sharply

9. Mixed with water

10. Attractive especially by means of smallness or prettiness or quaintness

11. Obviously contrived to charm