[ verb pree-fawrm; noun pree-fawrm ]
/ verb ˈpriˈfɔrm; noun ˈpriˌfɔrm /

verb (used with object)

to form beforehand.
to determine or decide beforehand: to preform an opinion.
to shape or fashion beforehand: to preform a mold.


any of various uncompleted objects of manufacture after preliminary shaping.

Nearby words

  1. prefinished,
  2. prefix,
  3. prefixed,
  4. prefixion,
  5. preflight,
  6. preformation,
  7. prefrontal,
  8. prefrontal area,
  9. prefrontal lobotomy,
  10. pregame

Origin of preform

From the Latin word praefōrmāre, dating back to 1595–1605. See pre-, form

Related formsnon·pre·formed, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for preformed