Greedy (adjective)

1. Having or showing an excessive desire to acquire or possess more, especially with respect to material wealth.
2. Having an insatiable appetite.

Origin:

Late middle english (in the sense "having a keen appetite"): from old french gredi, from gredir "to grip", from latin gradi "to step". greedy refers to having or showing an excessive desire to acquire or possess more, especially with respect to material wealth.

Examples:

1. He was greedy for money.
2. She was greedy for power.
3. The company was greedy for profits.
4. The child was greedy for candy.
5. The dog was greedy for food.