gloomy; melancholy; dreary; depressed; dismal
gloomy; melancholy; pessimistic
manic depression; mood swing
depressive state (e.g. of manic depression); depressive condition
dense (vegetation); thick; prominent; popular; gloomy (mood)
pent-up (energy, enthusiasm, etc.); burning (e.g. ambition); irrepressible (e.g. desire)
postpartum depression; postnatal depression
new type depression; depression where one is depressed only when at work