"Gotten a move on" is a phrase commonly used to describe someone who has started moving fast, with purpose, and with a sense of urgency. Antonyms for this phrase might include words like "lingering" or "procrastinating," which suggest taking longer than necessary to complete a task or lacking the motivation to get started in the first place. Other antonyms might include "sluggish," "slow," or "lethargic," which suggest a lack of energy or enthusiasm. Overall, antonyms for "gotten a move on" describe a person who is taking things slowly, lacking motivation, or lacks a sense of urgency to complete a task efficiently.