"Getting one's act together" refers to getting organized, being prepared and efficient, and taking control of one's life. The antonyms for this phrase might include being disorganized, being chaotic, being careless, being unprepared, being unproductive, and being unmotivated. Instead of getting one's act together, one might be said to be falling apart, letting things slide, being lazy, being unfocused, and lacking direction. While it's important to strive to get one's act together, sometimes we all need some time to regroup and refocus. It's important to recognize when this is the case and take steps to find motivation and structure to get back on track.