Ill-use is a term that implies mistreatment, abuse, or exploitation. It means to treat someone or something unfairly or wrongly. The antonyms for ill-use are words that denote proper treatment, care, and respect. The opposite of ill-use is to treat kindly, to use well, to treat with respect or to care for properly. Examples of antonyms for ill-use are cherish, uphold, honor, revere, protect, and nurture. These words suggest positive and affirmative actions, showing that something or someone is valued and appreciated. Antonyms of ill-use are important because they promote positive or ethical behaviors towards others and the world around us.