The phrase "laid on line" refers to something that has been established or put in place. Antonyms for this phrase could include terms such as removed, dismantled, or abolished. These words suggest the opposite of laying something on the line, indicating that something is being taken away or disassembled. Other antonyms for "laid on line" might include terms like invalidated, withdrawn, or rescinded. Each of these terms indicates a process by which something is being undone or removed from its established position. As such, they provide contrasting meanings to the original phrase, emphasizing the idea of undoing rather than establishing.