Down:
1. unorthodox
2. having an unpleasant sound
3. boring, dull
4. increase the likelihood of
5. deny, dispute, disagree with, argue with,dissent from, contradict

Across:
1. unorthodox
6. ranting
7. spirited, exuberant, cheerful
8. brief and to the point
9. intimidate
10. moderate, decrease