Sudden fright is a feeling of intense fear or terror that occurs suddenly and without warning. The crossword solutions for this term are PANIC, START, ALARM, and SCARE, all of which are five letters long. PANIC is an intense fear or anxiety that can cause a person to act irrationally. START is to begin or set in motion. ALARM is an urgent warning of danger. SCARE is to cause sudden fear or terror in someone. All of these words describe the feeling of sudden fright.