noun, noun or participle which takes 'suru', intransitive verb
arguments pro and con; endless debate
A yojijukugo describing a situation where people argue back and forth without reaching a conclusion. Often used in formal or literary contexts.
会議は甲論乙駁に終わり、何も決まらなかった。
The meeting ended in endless debate, and nothing was decided.
議論 is a general term for discussion or argument, while 甲論乙駁 specifically implies a futile back-and-forth without resolution.
A yojijukugo composed of 甲 (first), 論 (argument), 乙 (second), and 駁 (refutation), literally meaning 'A argues, B refutes'. The exact origin is uncertain, but it follows a common four-character pattern for describing a stalemate in debate.