1. a person or thing that wakes someone up

Examples

• The rooster served as the farm’s natural wakener each morning.
• She set her phone as her wakener for the early flight.
• The loud construction noise became an unwelcome wakener for the neighborhood.
• My cat is my most reliable wakener, demanding breakfast at dawn.
• The hotel’s wake-up call service acts as a professional wakener for guests.
• Thunder served as a dramatic wakener during the storm.