To bother or disturb persistently in any way.
To bother with persistent thoughts or memories.
Anyone would think that I nagged at you, Amanda! (From Amanda! by Robin Klein)
a nagging pain in his left knee
To repeatedly remind or complain to (someone) in an annoying way, often about insignificant or unnecessary matters.
The notion that he forgot something nagged him the rest of the day.
Someone or something that nags.
A persistent, bothersome thought or worry.
An old, useless horse.
A repeated complaint or reminder.
A small horse; a pony.
To bother, harass, or annoy persistently.
A bother or nuisance.