What are the definitions to these words?

1. understudy
2. divorce
3. remote
4. halter tops
5. bounty hunter
6. dramatic
7. bungalow
8. blurted
9. unsympathetic
10. Xerox
11. defect
12. varsity
13. totem
14. entitled
15. semester
16. auditorium
17. prude
18. skimming
19. extraordinary
20. jitters

What are the definitions for all these words?