Dark and depressing
Cold and forbidding
Applied to countryside or conditions
Applied to atmosphere
In the winter the landscape is bleak and the house is drafty.
The feeling of failure settled into her bleak thoughts.
The surrounding country is bleak, and the coast is low.
The landscape around them was bleak, almost as devoid of plant life as the white sands had been.
Most of the hills are covered with trees, but the Eifel (q.v.) is a barren and bleak plateau.