Quick definitions from WordNet (deform)
▸ verb: alter the shape of (something) by stress ("His body was deformed by leprosy")
▸ verb: become misshapen ("The sidewalk deformed during the earthquake")
▸ verb: make formless ("The heat deformed the plastic sculpture")
▸ verb: twist and press out of shape
▸ verb: cause (a plastic object) to assume a crooked or angular form
▸ verb: assume a different shape or form
▸ Also see deform
▸ verb: alter the shape of (something) by stress ("His body was deformed by leprosy")
▸ verb: become misshapen ("The sidewalk deformed during the earthquake")
▸ verb: make formless ("The heat deformed the plastic sculpture")
▸ verb: twist and press out of shape
▸ verb: cause (a plastic object) to assume a crooked or angular form
▸ verb: assume a different shape or form
▸ Also see deform