Related Clues:

• White knuckles' cause
• Cause of cowardice
• Funhouse reaction
• Shake in one's boots
• Cause of trembling
• Word repeated in a famous FDR quote
• Bad thing to live in
• Bully's weapon
• '___ not'
• Be more than concerned about
• Agoraphobia, e.g.
• Partner of trembling
• Claustrophobia, for one
• It causes adrenaline to be released
• Goose bumps cause