malform

transitive verb

mal·​form

: to cause to be badly or imperfectly formed : cause to be formed in such a way as to deviate from the normal or usual : give an abnormal, anomalous, or otherwise irregular and defective formation or structure to

a virus that malforms tobacco leaves

in his chair sat a personality malformed beyond decency by greed and pride

—Clemence Dane

Word History

Etymology

mal- entry 1 + form, verb

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