The conversation between human and AI assistant.
[|Human|] List 10 synonyms for 'sad'.
[|AI|] 1. Depressed
2. Heartbroken
3. Mournful
4. Despondent
5. Melancholic
6. Grief-stricken
7. Dismal
8. Dejected
9. Gloomy
10. Wistful
[|Human|] 
List 10 synonyms for 'sad'.