Explanation
The opposite of MEAGER is D) Copious.
Meager means lacking in quantity, quality, or extent, often referring to something that is inadequate or insufficient. The opposite, copious, means abundant, plentiful, or ample. It represents the idea of having a large quantity or a significant amount of something.
Options A) Kind, B) Generous, and C) Thoughtful do not directly relate to the opposite of meager. They describe qualities of character or behavior rather than the concept of scarcity or abundance.