Having a morally pure, noble, or upright character; high-minded and virtuous.
彼は高潔な人物として、周囲から信頼されている。
He is trusted by those around him as a person of high moral integrity.
汚職の噂が立っても、彼女は最後まで高潔さを守った。
Even when rumors of corruption arose, she maintained her integrity to the end.
高潔という言葉は、簡単には手に入らない品性を示す。
The word 'high-minded' indicates a character trait that is not easily attained.