Antonyms for "one-two" could include "disarray", "confusion", or "chaos". These words indicate a lack of coordination or order, in contrast to the smooth and precise movements implied by the phrase "one-two". Other antonyms might include "hesitation", "indecision", or "uncertainty", which suggest a lack of conviction or clarity. Conversely, words like "perfection", "harmony", or "coordination" could serve as synonyms, conveying a sense of fluidity and synchronicity. Ultimately, the choice of antonyms will depend on the context in which "one-two" is being used, and the specific qualities that are being contrasted.