How would i know if i'm depressed or majorly depressed?

Impairment: Transient blues are common. They can result in a lack of interest & enjoyment, a tendency to isolate & be less social, etc. Major depression (sometimes called clinical depression) results in significant functional impairment. Jobs, relationships, self-esteem, etc., become severely compromised. Biological symptoms are often involved as well, such as changes in appetite, energy level, sleep, stc.

Agree w Dr. Dobbeck: We all have depressed or low mood once in a while. Major depression effects or quality of life and many areas of function. 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 memory ; suicidal thoughts.