Schizophrenia: "withdrawal from reality, delusions and hallucinations, illogical patterns of thinking."
Angst: "a feeling of anxiety or apprehension, often accompanied by depression"
Vertigo: "Dread to the extent that I am not afraid of falling over the precipice, but [that I am] throwing myself over." (Sartre, from Kierkegaard, and seen in Alfred Hitchcock)
Ennui: "listlessness and dissatisfaction resulting from boredom"
Schadenfreude: "pleasure derived from the misfortune of others"