Antonyms for the phrase "gets one's act together" include disorder, chaos, disorganization, confusion, and mayhem. These antonyms describe the opposite of someone who is well-organized, focused, and able to accomplish their goals efficiently. If someone is unable to get their act together, they may struggle to keep up with their responsibilities and appear unfocused or scattered. Alternatively, if a situation lacks structure, it may be challenging to achieve the desired outcome. These antonyms illustrate the importance of organization and focused effort in accomplishing tasks and achieving success.