The antonyms for the phrase "putting in line" can vary depending on the context. However, some common antonyms for this phrase include disorganizing, scattering, and misplacing. If you are referring to putting objects in line, then the antonym could be disarranging, jumbling or cluttering. On the other hand, if you are using the phrase metaphorically, such as when talking about behavior, the antonyms could include rebelling, acting impulsively, or breaking the rules. The opposite of putting something in line can be interpreted differently and depends on the intended meaning of the context in which the word is used.