What is the definition of "obdurate"?

The term "obdurate" refers to someone who is hardened in feeling, which means they are resistant to persuasion or emotion, often showing a stubborn refusal to change their mind or attitude. This aligns closely with the definition of the word, as it conveys a sense of inflexibility and insensitivity to others' feelings or appeals. The other choices do not capture the essence of "obdurate." For instance, being open to persuasion and easily moved or affected are contrary to the characteristics of being obdurate, while compassionate and caring also depict a sense of responsiveness and empathy that contrasts sharply with the indifference implied in the word's meaning. Thus, the selected answer effectively represents the definition of "obdurate."