deform
/di-ˈfȯrm/
verb
to spoil the form of
to spoil the looks of : disfigure
to mar the character of
deform distort contort warp means to mar or spoil by or as if by twisting. deform may imply a change of shape through stress, injury, or accident of growth. distort and contort both imply a wrenching from the natural or normal, but contort suggests a more involved twisting and a more grotesque and painful result.