Hunger and thirst are natural expressions of the basic human desire and need for food and water. One of the clear indicators that something is wrong physically is when we lose our appetite. It is the same spiritually. How Can You Stay Hungry for God? The word “hunger,” by definition, means, “having a strong desire, craving, displaying the need for food.” In reality, however, hunger is not just for food, but humans also crave physical, emotional, intellectual, and spiritual nourishment. Jesus said: “Man shall not live by bread alone, but by every word of God” (Luke 4:4)