Infantile hypertonia is a medical condition that affects infants and young children. It is characterized by increased muscle tone, which causes stiffness and rigidity in the body. However, there are certain antonyms for the term Infantile Hypertonia, which indicates the opposite or opposite meaning. The antonyms for the word Infantile Hypertonia are relaxed, soft, flexible, and pliable. These antonyms signify the opposite of stiffness and rigidness in the muscles. Thus, if a child has relaxed, soft, flexible or pliable muscles, there is no sign of Infantile Hypertonia. It is important to note that each child is unique and may exhibit different characteristics, and some antonyms may not be applicable in specific cases.