Definition of "Deform" :

verb: assume a different shape or form

verb: alter the shape of (something) by stress

"His body was deformed by leprosy."

verb: become misshapen

"The sidewalk deformed during the earthquake."

verb: cause (a plastic object) to assume a crooked or angular form

verb: twist and press out of shape

verb: make formless

"The heat deformed the plastic sculpture."