10 negative adjectives beginning with V

1. Vain
2. Vile
3. Viperous
4. Vicious
5. Violent
6. Villainous
7. Vituperous
8. Venomous
9. Vindictive
10. Vengeful

10 defeat words beginning with V

1. Vulnerable
2. Victimised
3. Vexed
4. Vitiated
5. Vicissitudinated
6. Violated 
7. Vanquished
8. Vandalised
9. Vaporised
10. Vermiculated (in the old sense of worm eaten)