Carries heavy load is a term that represents immense weight and burden. Its antonyms are words that express the opposite meaning - lightness and ease. Some of the antonyms for carries heavy load are unencumbered, unburdened, effortless, and nimble. The word 'unencumbered' means to be free from any obligations or obstacles, while 'unburdened' refers to being relieved of a heavy load or responsibility. 'Effortless' conveys the idea of doing things with little effort, and 'nimble' means to be light and quick in movement. Using these antonyms in contrast to carries a heavy load, can be helpful in conveying a much lighter and easier feeling.