Depression manifesting as anger? Interesting.

Can't imagine severe depression (been there) manifesting as anger.

A specific example or two of the kind of interactions you're having will help. Without that, I wonder if you're trying to explain to them how you feel (i.e. what it means to be depressed), and not having been depressed / having no reference point, they aren't getting it and that's frustrating, which comes out like anger. If you want them to understand your feelings, you have to start with something you know they already understand, then go from there. Not sure if that makes sense... but as an example, imagine Columbus trying to tell someone the world isn't flat, it's round and the person he's talking to doesn't know what round means. There's no reference point. So, to teach them round he needs to use something they already understand. Like holding up a piece of paper (flat), then an orange (round).

In terms of communicating needs - be specific. For example, I'm having a bad day and a hug would make me feel better. I can't seem to focus on anything, would you help me remember to do X.