There are numerous synonyms that can be used instead of "drag your feet/heels." These alternatives vary in levels of formality and intensity. For instance, "procrastinate" indicates that someone is deliberately putting off doing something, while "delay" implies an obstacle or constraint. "Dawdle" and "loiter" suggest laziness or lack of motivation, whereas "hesitate" or "waver" express uncertainty or indecisiveness. Other possible synonyms include "linger," "lag," "tarry," "sluggishness," and "lethargy." The choice of word will depend on the specific context and the effect the writer wants to achieve. Nonetheless, using synonyms can help to avoid tautology and bring variety to the language.