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great; grand
「豪気」 has another reading with different meanings.
彼は豪気な性格で何事にも動じない。
He has a bold personality and is unfazed by anything.
全員分の食事をおごるとは豪気だね。
Treating everyone to a meal is quite generous of you.
豪気な祖母は戦時中も明るく過ごしたそうだ。
My bold grandmother reportedly stayed cheerful even during the war.