What does "whistle-blower" mean?
One who reports a problem or violation to the authorities; especially, an employee or former employee who reports a violation by an employer.
noun, slang ·Moderate ·College level
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"We owe it to a small group of brave whistle-blowers that we know about the infractions at all."
"Instead of fixing the problem, the company fired the whistle-blower."
One who reports a problem or violation to the authorities; especially, an employee or former employee who reports a violation by an employer.
Common synonyms include: betrayer, blab, blabber, blabbermouth, fink, informer.
Instead of fixing the problem, the company fired the whistle-blower.
From whistle + blower, referring to a police officer blowing their whistle on observing a violation of the law.