ˈ ̷ ̷+ transitive verb
Etymology: mal- (I) + form, v.
: 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