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excitement; exasperation; indignation; rage; fury
「激高」 has another reading with different meanings.
extremely expensive
彼かれはひどく激昂げっこうしていた。
He was terribly enraged.
激昂げっこうして声こえを荒げあらげた。
He got excited and raised his voice.
彼かれの感情かんじょうが激昂げっこうした。
His emotions ran high.