おお―【大…】🔗⭐🔉振
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】🔗⭐🔉振
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.
研究社新英和中辞典に「大」で完全一致するの検索結果 1-2。