抗弁

(1)the speech act of answering an attack on your assertions; "his refutation of the charges was short and persuasive"; "in defense he said the other man started it"

(2)あなたの主張の攻撃に応じている言語行為論

(3)the act of protesting; a public (often organized) manifestation of dissent

(4)反抗する行為

(5)公に反対を（特に組織だって）表明すること

(6)the act of determining that something is false

(7)何かが誤りであると確定する行為

(8)any evidence that helps to establish the falsity of something

(9)あることの虚偽を申し立てるのに役立つ証拠