There are several synonyms for the phrase "like dirt" including despise, detest, loathe, abhor, and hate. These words all convey a strong distaste or disdain for something or someone. When someone is treated like dirt, it means they are being treated with disrespect or contempt. This type of behavior is never acceptable and can cause emotional harm to the person being targeted. It's important to remember that everyone deserves to be treated with kindness and respect, regardless of their differences. Using any synonym of "like dirt" is not the way to behave towards others, and we should strive to treat everyone with empathy and compassion.