Related Clues:
- Frighten or startle
- Clock that wakes the sleeper
- Scare with warning device
- Warning sound or signal
- Noise that wakes
- Device sounding danger
- Scare or worry
- Frighten, scare
- Strike fear
- Clock that wakes you up
- This clock wakes you up
- It signals danger
- Sudden apprehension and fear
- If this will make Albert get ready to fight, that's dreadful
- A frightful fifty over 27 across