1. Low in spirits.
  2. Suffering from economic depression.
  3. Being below the standard.
  4. Affected by psychological depression.

Depression is an emotion, but at extreme levels it can also be classified as a mental illness. Diagnosed depression is a mood disorder marked especially by sadness, inactivity, difficulty in thinking and concentration, a significant increase or decrease in appetite and time spent sleeping, feelings of dejection and hopelessness, and sometimes suicidal tendencies.

If this seems like it may be a serious issue as you are working with this emotion, please consider seeking outside help or support from a professional.

The emotion of Depressed is found in the Lung meridian in the Metal element.

Definition from Dictionary by Merriam-Webster.