Adjective
1. underdeveloped
3. small
4. short
5. little
6. tiny
7. petite
8. slight
9. compact
10. miniature
11. mini
12. diminutive
14. pygmy
15. pint-sized
16. pocket-sized
17. baby
18. teeny-weeny
19. itsy-bitsy
20. itty-bitty
21. vertically challenged
22. size-zero