Riser/ˈraɪzər/ Definition 1 of 4Pro Tip 1/2Morning Routine Used to describe a habitual early awakening, often involving a routine or work. As an early riser, I enjoy the quiet of sunrise for my yoga practice. Pro Tip 2/2Lifestyle Characteristic Suggests a person's lifestyle or nature, potentially implying discipline or health consciousness. She's a riser; jogging at dawn every day.