大おお博打ばくちMeaningsNoun1. risky speculation; big gamble; large betOther spellings大おお博奕ばくちUsage share unknownKanji used大large博expert打strikeKanji in other spellings奕largeComposed of大おおlarge; big; great; major; important; serious; heavy; loud; older; senior; …Prefix博打ばくちgambling; gaming; speculation; undertaking a risky ventureNoun