詭弁 (きべん) uses the on'yomi 詭 (キ), meaning false or deceitful, and 弁 (ベン), meaning speech or argument. Incorrect readings like きびん, かいべん, or きんべん are all misreadings of either 詭 or 弁. It describes an argument that is logically unsound or designed to deceive, often by using clever but misleading reasoning, i.e., sophistry or a fallacy.

詭弁（きべん）は両漢字とも音読み。詭（キ）は「いつわる」、弁（ベン）は「話す」の意味。きびん・かいべん・きんべんは詭または弁の誤読です。論理を装いながら、実際はごまかしや欺瞞を含む議論を指します。