deform
de.form \di-'fo.(*)rm, 'de--\ vb [ME deformen, fr. MF or L; MF deformer, fr. L deformare, fr.]de- + formare to form, fr. forma form 1: to spoil the form of 2a: to spoil the looks of : DISFIGURE 2b: to make hideous or monstrous 3: to alter the shape of by stress : to become misshapen or changed in shape is the least specific of these and may imply a change of shape through stress, injury, or some accident of growth; DISTORT and CONTORT both imply a wrenching from the natural, normal, or justly proportioned, but CONTORT suggests a more involved twisting and a more grotesque and painful result; WARP indicates physically an uneven shrinking that bends or twists out of a flat plane and suggests a bias, a wrong slant, or an abnormal direction; GNARL suggests contortions produced by harsh weather, heavy work, old age SYN syn DISTORT, CONTORT, WARP, GNARL: DEFORM
Webster's English Dictionary