Select the most appropriate one-word substitution for the given group of words. 

A scolding nagging bad-tempered woman.

Termagant

The most appropriate one-word substitution for "a scolding nagging bad-tempered woman" is termagant.

• Termagant is a woman who is scolding, nagging, and bad-tempered.
• Narcissist is a person who is excessively self-absorbed and vain.
• Virtuoso is a highly skilled or accomplished musician or performer.
• Sadistic is a person who enjoys inflicting pain or suffering on others.

The word termagant comes from the name of a pagan god who was known for his anger and violence. A termagant woman is someone who is constantly complaining, criticizing, and nagging. She is often quick to anger, and she is not afraid to speak her mind, even if it is hurtful.