Related Clues:

• Eye-opener of a kind
• Clock/radio feature
• Appall
• White knuckles' cause
• Can't bear the thought of
• Cause of cowardice
• More than dismay
• Foghorn, e.g.
• Car buyer's option
• Bedside noise
• Bank feature
• Sound a Klaxon
• Fearful state
• Common cell phone feature
• More than fear