The antonyms for "walks slowly" can be various. Some of the possible antonyms could be "runs quickly," "gallops," "strides briskly," "marches swiftly," or "rushes." These are all strong and energetic actions that suggest a quick and efficient pace. On the other hand, there are also antonyms that convey a more leisurely and relaxed pace, such as "saunters," "strolls," "ambles," "meanders," or "wanders." These words imply a gentle and slow movement that is not rushed or purposeful. Overall, the antonyms for "walks slowly" offer a range of options for describing the speed and gait of a person's movement.