verb

distort the shape or form of; make misshapen.

he was physically deformed by a rare bone disease

make misshapen,distort the shape of,disfigure,bend out of shape,misshape,contort,buckle,twist,warp,damage,impair,maim,injure,misshapen,distorted,malformed,contorted,out of shape,twisted,crooked,curved,warped,buckled,gnarled,maimed,injured,damaged,humpbacked,hunchbacked,disfigured,ugly,unsightly,grotesque,monstrous,marred,mutilated,mangled,fugly