おお―【大…】 1 <数量的に大きな> big; large ¶大火事　 a huge [big] fire /大波　 a big [monstrous] wave. 2 <程度の大きな> great; big ¶大うそ　 a monstrous [a big, ｛文｝ an arrant, ｛口語｝ a whopping] lie /大負け　 a big [resounding, crushing] defeat.

だい^１【大】 1 <中・小と並べて> large ¶大ジョッキ　 a large-sized mug /大, 中, 小のリンゴ　 large―, medium―, and small-sized apples. 2 <大きな> ¶声を大にして　 in a loud voice /大作曲家　 a great composer /大の虫を生かして小の虫を殺す　 sacrifice a small good for the sake of a greater good /大事業　 a great undertaking [enterprise] /大出血する　 lose a lot of blood; <損害> suffer heavy losses /大平原　 a wide [vast] plain /大問題　 a big problem; a serious issue /葉書大の紙片　 ｛on｝ a piece of paper the size of a postcard ‖泣くな, 大の男がみっともない.　 Stop crying and act like a man! | Aren't you ashamed of yourself, a grown man in tears! 3 <月の> ¶大の月　 <日数が 31 日ある月> a month (consisting) of thirty-one days. 大なり小なり　 to a greater or lesser degree; more or less ¶大なり小なり欠点のない者はない.　 Everybody has his fault, some more and some less. 大は小を兼ねる　 The greater [larger] also serves for the lesser [smaller]. 大を成す　 ¶彼は堅実な営業ぶりで今日の大を成した.　 He owes his present success [position] to his sound business methods.