The word that is closest in meaning to "voracious" is hungry.

• Timid means shy or lacking in confidence.
• Angry means feeling or showing anger.
• Quick means moving or happening rapidly.

"Voracious" means having a very large or excessive appetite, especially for food. It can also mean eager or greedy in acquiring or consuming something. "Hungry" is the most accurate synonym for "voracious" in this context, as it means having a strong desire to eat.