The word "inlaws" refers to the relatives of one's spouse or partner. Some antonyms for this term include "outlaws," which refers to someone who is outside of the law, or "enemies," which denotes someone who is opposed to or hostile towards another person. Other antonyms include "strangers," which denotes someone who is unknown or unfamiliar, and "acquaintances," which refers to someone who is known, but not intimately or closely. Still, some other antonyms for "inlaws" include "friends," "colleagues," and "associates," which denote people with whom one shares different kinds of relationships.