incorruptible

/ˌɪnkəˈrʌptəbəl/
adjective
  1. Not capable of being corrupted, especially morally; honest and upright.
    • The incorruptible officer returned the wallet with all the money inside.
    • In the story, the knight was incorruptible and refused the villain's gold.
    • She was known as an incorruptible leader who never accepted favors.
Antonyms
What does "incorruptible" mean? | whatsthatwordmean | whatsthatwordmean