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

Living by eating flesh 

Carnivorous

The most appropriate one-word substitution for "living by eating flesh" is carnivorous.

• Carnivorous means eating meat.
• Herbivorous means eating plants.
• Glutton means a person who eats too much.
• Piscivorous means eating fish.

The word carnivorous comes from the Latin words "caro," meaning "flesh," and "vorare," meaning "to devour." Carnivorous animals are those that eat meat. Carnivores have sharp teeth and claws that are used to kill and tear apart their prey. Carnivores typically have a short digestive system, as they do not need to break down plant matter.