The adjective "benevolent" signifies a kind and well-meaning disposition. To identify its antonym from the given choices, we analyze each option:
"Kind": This term is synonymous with "benevolent," denoting a friendly, generous, and considerate nature.
"Cruel": This word stands in direct opposition to "benevolent," defining someone who intentionally inflicts pain or suffering or lacks concern for it.
"Generous": Similar to "benevolent," this term indicates a willingness to give more than is necessary or expected, such as money or time.
"Compassionate": This word also aligns with "benevolent" in meaning, describing an individual who exhibits sympathy and concern for the suffering of others.
Consequently, the most accurate antonym for "benevolent" is Cruel.