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whistle–blower

play
noun whis·tle–blow·er \-ˌblō-ər\

Simple Definition of whistle–blower

  • : a person who tells police, reporters, etc., about something (such as a crime) that has been kept secret

Source: Merriam-Webster's Learner's Dictionary

Full Definition of whistle–blower

  1. :  one who reveals something covert or who informs against another <pledges to protect whistle–blowers who fear reprisals — Wall Street Journal>

whistle–blowing play \-ˌblō-iŋ\ noun

1970

First Known Use of whistle–blower

1970

Rhymes with whistle–blower


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a timid, meek, or unassertive person

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