Dictionary.com

whistleblower

or whis·tle-blow·er

[ wis-uhl-bloh-er, hwis- ]
/ ˈwɪs əlˌbloʊ ər, ˈʰwɪs- /
Save This Word!

noun
a person who informs on another or makes public disclosure of corruption, wrongdoing, problems, or secret information, especially within an organization.
QUIZ
QUIZ YOURSELF ON AFFECT VS. EFFECT!
In effect, this quiz will prove whether or not you have the skills to know the difference between “affect” and “effect.”
Question 1 of 7
The rainy weather could not ________ my elated spirits on my graduation day.
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help
Sometimes whis·tle blow·er .

Origin of whistleblower

First recorded in 1965–70; whistle + blower

OTHER WORDS FROM whistleblower

whis·tle·blow·ing, whis·tle-blow·ing, noun, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use whistleblower in a sentence

British Dictionary definitions for whistleblower

whistle-blower

noun
informal a person who informs on someone or puts a stop to something
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
FEEDBACK