Antonyms are words that have opposite meanings. When it comes to the term "migrating myoelectric complex," there are several antonyms. Instead of migrating, there could be stationary, immobile, or fixed. The term "myoelectric complex" refers to the movement of muscle fibers in the digestive tract, so the antonyms could include relaxed or quiescent. When describing the digestive process, other antonyms for "complex" could be simple or easy. In summary, the antonyms for the term "migrating myoelectric complex" could include stationary, immobile, fixed, relaxed, quiescent, simple, and easy.