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 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.
To bother or disturb persistently in any way.
A contemptible person.
A white-bodied, wood-consuming insect of the infraorder Isoptera, in the order Blattodea.
Of a chimpanzee: to catch termites by inserting a stick or vine into their nest and waiting for them to climb up it.