Sudden fear is an emotion that can be caused by a variety of situations. It is often characterized by a feeling of intense fear or dread that comes on suddenly and without warning. The crossword solutions for the term sudden fear are ALARM (5 letters), PANIC (5 letters), and FRIGHT (6 letters). ALARM is defined as a warning signal, such as a bell or siren, that alerts people to danger. PANIC is defined as a sudden overwhelming fear that causes one to act irrationally or without thinking. FRIGHT is defined as a sudden intense fear or terror. All three words describe the emotion of sudden fear in different ways.