Here's a breakdown of the meaning:

* Annoying: It implies actions that are bothersome or irritating.

* Persistently: It means doing something over and over again, even when the person being pestered asks you to stop.

* Repeatedly: It implies multiple instances of the annoying behavior.

Examples:

* "The child pestered his parents for a new toy."

* "He was pestered by telemarketers all day."

* "I finally got away from the persistent salesperson who was pestering me in the store."

Similar words:

* Harass

* Nag

* Badger

* Bug

* Bother

Pestering can be considered rude and disrespectful, and it can have a negative impact on relationships.