1. a person or thing that shifts or moves something
2. a device used to change gears in a vehicle
3. a worker assigned to a particular work shift

Examples

• The furniture shifter helped move the heavy couch upstairs.
• He grabbed the shifter and put the car into reverse.
• The automatic shifter made driving much easier for beginners.
• As a night shifter, she worked from 11 PM to 7 AM.
• The day shifter arrived just as the night crew was leaving.
• The shifter mechanism in the old truck was worn out.
• She’s a reliable shifter who never misses her assigned hours.