Unfortunately I think depression doesn't always manifest itself as sadness. It can involve numbness, rage and lethargy too. Dissociation might be the term you're looking for, for numbness.

Im feeling that feeling that’s why i got on here
And then this is the first post i saw haha...

Anhedonic.

Mild apathy

Melancholy

Apathetic.

Magenta

Numb

Numb

Despair. "God damn it Angel, did you watch Trump's speech. It old you not to do that anymore."

Emptiness.

Ambivalent.

NHL offseason..

Apathetic

I am tired.

Gnomes.

Y’need Jesus