Sadness and unhappiness (as a feeling or experience)
sadness noun
a feeling of being unhappy, especially because something bad has happened
depression noun
a feeling of being extremely unhappy
grief noun
a strong feeling of sadness, usually because someone has died
misery noun
the state of being extremely unhappy or uncomfortable
regret noun
a feeling of sadness about something that has happened
sorrow noun
great sadness
remorse noun
a strong sad and guilty feeling about something that you have done wrong
distress noun
a feeling that you have when you are very unhappy, worried, or upset
disappointment noun
the feeling of being unhappy because something that you hoped for or expected did not happen or because someone or something was not as good as you expected
desolation noun
a feeling of great sadness and loneliness