The word "shlepping along" refers to walking or moving in a slow, tired, or burdensome way. Antonyms for this phrase could include striding, skipping, bouncing, gliding, dancing, or galloping. Striding implies a confident, purposeful gait, while skipping and bouncing suggest a light, carefree movement. Gliding and dancing evoke a fluid, graceful motion, while galloping implies speed and energy. Using these antonyms can help convey a different attitude or feeling in writing, such as excitement, joy, or determination. By choosing the right antonym for "shlepping along," writers can paint a more vivid picture and add depth to their descriptions.