Could you "feel" depressed?

Of course !: Depression is an emotional disturbance usually manifesting as a sad feeling.

Yes- feeling : Depressed has been referred to as feeling blue, low, sad, unhappy. This mood should be differentiated from clinical depression which includes a number of specific sx's. Depressive sx's may include low mood, irritability, anger, ^ or v sleep, change in appetite, feelings of helplessness or hopelessness, v energy, v self-esteem, feelings of guilt. V motivation, absence of joy, v concentration, v.