noun, noun or participle which takes 'suru', transitive verb, intransitive verb
objection; refutation; rebuttal; counterargument
Used for presenting a counterargument or opposing view in discussion, debate, or formal argument. Can be used as a noun or with する.
彼の提案に反論する人はいなかった。
No one objected to his proposal.
その点について反論があります。
I have a counterargument on that point.