The term "devil-may-care" is often used to describe someone who is carefree, reckless, and indifferent to the consequences of their actions. In contrast, the antonyms of "devil-may-care" include cautious, responsible, vigilant, conscientious, and prudent. These terms describe individuals who are thoughtful and deliberate in their actions and decisions, avoiding unnecessary risks and considering the impact of their choices on themselves and others. Those who are careful and conscientious are more likely to achieve long-term success and happiness, while those who are imprudent and reckless may experience negative consequences that could have been avoided with more careful consideration.