/dɪˈfɔ:məti ||; dɪˈfɔrmətɪ/noun (plural deformities) [C,U] the condition of having a part of the body that is an unusual shape because of disease, injury, etc （身体）畸形，变形: The drug caused women to give birth to babies with severe deformities. 这种药物使妇女产下严重畸形的婴儿。