Downcast and Down in the dumps

Downcast adjective - Directed down.

Down in the dumps is a synonym for downcast in dejected topic. In some cases you can use "Down in the dumps" instead an adjective "Downcast", when it comes to topics like depressed, blue. informal substitute

Downcast is a synonym for down in the dumps in down topic. You can use "Downcast" instead an adjective phrase "Down in the dumps", if it concerns topics such as depressed, blue, sad, unhappy.