Extreme fear is an intense emotion that can be caused by a variety of situations. It is often associated with feelings of PANIC, HORROR, DREAD, and TERROR. The crossword solutions for the term extreme fear are PANIC (5 letters), HORROR (6 letters), DREAD (5 letters), and TERROR (6 letters). PANIC is a sudden, overwhelming feeling of fear or anxiety. HORROR is an intense feeling of shock or fear, usually caused by something shocking or frightening. DREAD is a strong feeling of fear or apprehension about something that may happen. TERROR is an intense feeling of fear or HORROR.