The task is to identify the antonym of the word "Generous". To solve this, we must understand the meaning of "Generous" and compare it with the provided options.
Definitions:
An antonym is a word that has the opposite meaning of another word. Here, the word that has the opposite meaning to "Generous" is "Greedy" because "Generous" implies a willingness to give freely, whereas "Greedy" implies a strong desire to keep things for oneself and not share.
Conclusion: Therefore, the antonym of "Generous" is Greedy.