The phrase "most meditating" has a variety of antonyms depending on the context in which it is used. Some possible antonyms could include "least calming," "most distracting," "most stressful," or "most chaotic." Alternatively, one could consider the opposite of meditation itself, such as "most active" or "most energetic." Another possible antonym might be "most superficial," implying a lack of depth or introspection. Regardless of the antonym used, it is clear that the term "most meditating" is commonly associated with peace, tranquility, and mindfulness, making any opposing term a sharp contrast to this positive state of being.