The phrase "getting in with" implies forming a positive relationship or connection with someone or a group. Its antonyms could involve negative or neutral associations. Some examples are "falling out with," which means losing favor or relationship with someone, "staying aloof from," which means maintaining a distance from someone or a group, "avoiding," which means staying away from someone or something, and "opposing," which means standing against someone or a group. These words convey a sense of detachment or opposition as opposed to the positive connections that "getting in with" implies. It is important to note that the context in which the phrase is used can greatly affect its antonyms.