Used countably for a person perceived as immune to bribery or moral corruption
Definitions
A person who is incorruptible, especially a public official regarded as immune to bribery or moral corruption. Despite mounting pressure, she remained an incorruptible who put the public interest first.
Synonyms
scrupulous person
person of integrity
upright person
honest person
straight arrow
man/woman of principle
moral exemplar
clean-handed individual