malform

transitive verb
mal·form

Definition of malform 

: 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

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History and Etymology for malform

mal- entry 1 + form, verb

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exaggeratedly or childishly emotional

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