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big gun

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noun Slang.
  1. an influential or important person or thing: He's a big gun in science.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for big gun

Historical Examples

  • The war services were honeycombed with men who were big-gun experts.

    Our Army at the Front

    Heywood Broun

  • Big-gun teaching is amusing; trigger-teaching is suggestive.

  • I am sure tens of thousands of rifle-cartridges were fired at them, and hundreds of rounds of big-gun shells.

  • A nineteen-year-old big-gun pointer sits atop of his bicycle saddle, and the enemy fleet is swinging into range.

    The U-boat hunters

    James B. Connolly

  • In big-gun teaching the teacher thinks; in trigger-teaching the teacher thinks how to get his scholars to think.


British Dictionary definitions for big gun

big gun

noun
  1. informal an important or influential person
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