The antonyms for the term "walked heavy" are light, dainty, and feather-like. Whereas walking heavy denotes somebody walking with a slow, heavy, and clumsy footstep, walking light suggests they are moving around gracefully, delicately, quietly, and agilely. Therefore, the antonyms of walked heavy are ideal for scenarios where somebody wants to move around without drawing too much attention, go unnoticed, or minimize the noise level. Walking light is especially useful when one needs to sneak up on someone or move through a creaky old building without alerting other people in the vicinity.