高潔

高洁
gāojié
  1. noble and clean-living
  2. lofty and unsullied

CEDICT

noble and honest; unsullied; possessing integrity

Wiktionary

人品高尚清廉。

重編國語辭典

Entry Composition

1 高 gāo
  1. high
  2. tall
  3. above average
  4. loud
  5. your (honorific)
2 潔 jié clean