The term "sweet natured" generally refers to someone who is kind, gentle, and compassionate. The antonyms for "more sweet natured" would be words that describe individuals who are harsh, cruel, or insensitive. Some examples of antonyms for "sweet natured" could be unpleasant, rude, uncaring, mean, or brutal. These words describe individuals who lack empathy, sympathy and kindness towards others. It is important to note that despite the antonymic terms, we should not judge or stereotype people based on these words. It is vital to embrace diversity and celebrate individuality. We should all strive for sweetness and kindness in our actions and interactions with others, regardless of their personalities.