Etymology
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controvert (v.)

c. 1600, "dispute (something), oppose by argument" (a sense now obsolete); 1610s, "to make the subject of verbal contention, debate, discuss; contend against (someone) in argument," probably a back-formation from controversy. Related: Controverted; controverting; controvertible.

updated on March 18, 2018

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Definitions of controvert from WordNet

controvert (v.)
be resistant to;
Synonyms: oppose / contradict
controvert (v.)
prove to be false or incorrect;
Synonyms: refute / rebut
From wordnet.princeton.edu, not affiliated with etymonline.