大だい冒ぼう険けんMeaningsNoun1. great adventureKanji used大large冒dare険risky and steepComposed of大だいlarge; big; great; huge; vast; major; important; serious; severe; prominent; …Prefix冒ぼう険けんadventure; venture; venture which is unlikely to succeed; risky attempt; danger; hazard; riskNoun