1. (verb)deform make formless
"the heat deformed the plastic sculpture"
2. (verb)contort, deform, distort, wring twist and press out of shape
3. (verb)flex, bend, deform, twist, turn cause (a plastic object) to assume a crooked or angular form "bend the rod"; "twist the dough into a braid"; "the strong man could turn an iron bar"
4. (verb)deform become misshapen
"The sidewalk deformed during the earthquake"
5. (verb)deform, distort, strain alter the shape of (something) by stress "His body was deformed by leprosy"
6. (verb)change shape, change form, deform assume a different shape or form