or whis·tle blow·er
[ hwis-uhl-bloh-er, wis- ]
/ ˈʰwɪs əlˌbloʊ ər, ˈwɪs- /
a person who informs on another or makes public disclosure of corruption or wrongdoing.
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Question 1 of 10
Origin of whistle-blower
First recorded in 1965–70
OTHER WORDS FROM whistle-blowerwhistle-blowing, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for whistle-blower
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