Similar Words to Nag:

Common Scold
Hack
Hen-peck
Jade
Nagger
Peck
Plug
Scold
Scolder

Examples:

1. And then out of the grass rose up the head and spread hood of Nag the big black cobra."

Definitions of Nag:

1. Someone (especially a woman) who annoys people by constantly finding fault
2. An old or over-worked horse
3. Bother persistently with trivial complaints
4. Worry persistently
5. Remind or urge constantly