'sunk in depression' is a correct and usable phrase in written English.
You can use it to describe a person's emotional state, particularly if they feel overwhelmed by sadness. For example, "John had been struggling with his mental health for months, and eventually he found himself sunk in depression."
In 1514, when the Aztecs were still at the peak of their power, Dürer was in Germany, sunk in depression.
They are not war criminals," asks Wamidh Nadhmi, a politics professor at Baghdad University and a long-time Saddam critic, now sunk in depression.
It comes early in the record, and appears to be about a couple losing their way: the woman worried about the passing years and her diminishing chances of conceiving, the man seemingly sunk in depression.
With Mr. Clinton sunk in depression at home, Mrs. Clinton joined Mr. White on stage for a post-mortem colloqium on the 1980 election at the University of Arkansas.
Compelling the reader's sympathy, Horan evokes the image of Mamah, sunk in depression after the birth of her second child, recording a quotation by Charlotte Perkins Gilman in her diary: "It is not sufficient to be a mother: an oyster can be a mother".
In interviews given in advance of the 1999 Turner Prize which was won that year not by Emin but by Steve McQueen Emin said that "My Bed" actually was her bed; it was in a state that resulted when, sunk in depression, and at the end of a relationship, she didn't leave it for several days.
The new chapter took on a painful onus when the boy's mother, sunk in a deep depression, killed herself when Oz was 12. Two years later, he left Jerusalem, moving to Kibbutz Hulda.
This was before chronic back inflammation ended her promising career, before she sunk into depression in early 2008.
His wife, Reni Marianne Kochh), is, to use the movie's term, insane — sunk deep in depression and living in a nearby family castle under medical care.
But then, after a few weeks, or maybe months if you can hold out, this old familiar feeling starts to sink in: Exhaustion, depression, loss of motivation, the fear that you're just pushing papers or sitting in a cubicle or barking at a room full of students to calm down.
Finally, he tied a tow rope to Liam's snowmobile, sunk in a five-foot depression, and returned it to meadow level.
