Noun: whistleblower 'wi-sul,blow-u(r)
- Someone who reports misconduct, fraud, or wrongdoing within an organization to authorities
"the whistleblower was fired for exposing the conditions in mental hospitals"; "the law gives little protection to whistleblowers who feel the public has a right to know what is going on";
- whistle-blower
Derived forms: whistleblowers, whistle-blowers
Encyclopedia: Whistleblower