It seems hard to well define it even for professionals, iirc it's clinically being assessed using tests like the Goldberg depression test. A variety of collo

It seems hard to well define it even for professionals, iirc it's clinically being assessed using tests like the Goldberg depression test. A variety of colloquial uses for the term on top of that doesn't make it clearer, maybe there should be an introduction of newer, more specified terms for it.