Divergent

3. A deep fissure in a surface (noun)
4. Deriving pleasure from inflicting pain (adjective)
7. Roughly almond-shaped mass of grey matter inside each cerebral hemisphere, involved with the experiencing of emotions (noun)
9. Showing fearlessness (adjective)
10. Tending to be different (adjective)
11. Sparing in the use of words, abrupt (adjective)
12. To promote a belief or course of action (verb)
14. State of being homesick (adjective)
15. The act of rejecting something (noun)
17. Relating to deep inward feelings rather than to the intellect (adjective)
20. Self-assertive in a rude, noisy, or overbearing way (adjective)

1. Either of two masses of grey matter lying between the cerebral hemispheres relaying sensory information and acting as a center for pain perception (noun)
2. Mutual trust and friendship (noun)
5. Showing great knowledge (adjective)
6. Pitifully sad and abandoned or lonely (adjective)
8. Too great to be overcome (adjective)
13. A mass departure of people (noun)
16. A friendly relationship (noun)
18. Quality of being honest (noun)
19. Away from the appropriate, planned or expected course (adverb & adjective)