1. a person who bothers or annoys someone repeatedly

Examples

• The persistent salesman was such a pesterer that customers avoided the store.
• She blocked the number to stop the pesterer from calling her every day.
• My little brother can be a real pesterer when he wants attention.
• The teacher had to separate the pesterer from the other students.
• He earned a reputation as a pesterer for constantly interrupting meetings.
• The pesterer finally gave up after being ignored for weeks.