What is melancholia? Melancholia is a form of severe depression where many physicial symptoms of depression are present. Very common symptoms typically include: When a person starts to move more slowly They are more likely to have a depressed mood that can be characterised by a complete loss of pleasure Share this page: Other questions related to Depression What is antenatal, postnatal, and perinatal depression? What are the differences between depression and grief/sadness? What is dysthymia? What is major depressive disorder? How do I know if I have depression? What does it mean to have high functioning depression? What is seasonal affective disorder (SAD)?