The symptoms of High Functioning Depression (HFD) are similar to that of clinical depression. 10 signs of High Functioning Depression include being more intelligent than the average cohort, having tendencies of perfectionism, and having a family history of depression. People with high functioning depression often try to endure it without getting proper help, which allows HFD to build up gradually more and more overtime. Those with HFD don't engage in regular hobbies, and tend to confuse high functioning depression with burnout. People with high functioning depression might have symptoms of clinical depression.