非ひ論ろん理り的てきひろんりてきMeanings1na-adjectiveillogicalDescribes reasoning, arguments, or behavior that lacks logical consistency.彼かれの説せつ明めいは非ひ論ろん理り的てきで、誰だれも納なっ得とくしなかった。His explanation was illogical, and no one was convinced.
