na-adjective, noun which may take the genitive case particle 'no', noun
out of the question; unacceptable; outrageous
Used when something is not even worth considering because it is impossible, unacceptable, or far below the required standard.
予算を無視した計画は論外だ。
A plan that ignores the budget is out of the question.
遅刻して謝らないなんて論外だ。
Being late and not apologizing is outrageous.
na-adjective, noun, noun which may take the genitive case particle 'no'
irrelevant; not pertinent; outside the scope
Refers to something being outside the present discussion or not relevant to the matter at hand; often has a slightly formal or explanatory feel.
その件は今日の議題では論外とします。
We will treat that matter as outside today's agenda.
個人の好みは、この評価では論外だ。
Personal preference is irrelevant in this evaluation.