noun, na-adjective
unclear argument; poorly reasoned point
Used to describe an argument or statement whose logic or main point is unclear or poorly constructed. Often used in formal or critical contexts.
彼の論文は論旨不明で、何を言いたいのかわからなかった。
His paper was poorly reasoned, and I couldn't understand what he wanted to say.
その発言は論旨不明であり、議論にならなかった。
That remark was unclear in its logic and did not lead to a productive discussion.
Compound of 論旨 (point of an argument) and 不明 (unclear, unknown).