A mental disorder, less severe than psychosis, marked by anxiety or fear which differ from normal measures by their intensity, which disorder results from a failure to compromise or properly adjust during the developmental stages of life, between normal human instinctual impulses and the demands of human society.
Intense dread, fright, or fear.
The action or quality of causing dread; terribleness, especially such qualities in narrative fiction.
A night terror.
Terrorism.
Something or someone that causes such fear.