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big gun

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noun Slang.

an influential or important person or thing: He's a big gun in science.

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a person given to voluble, empty talk.
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a check whose amount has been raised by forgery before cashing.
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Words nearby big gun

bigging, biggish, biggity, big government, Biggs, big gun, biggy, big hair, bighead, big head, have a, big-hearted
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Words related to big gun

dominant, authoritative, leading, persuasive, famous, important, significant, strong, prominent, renowned, preeminent, outstanding, famed, illustrious, distinguished, well-known, noted, big-name, esteemed, ordnance

Example sentences from the Web for big gun

British Dictionary definitions for big gun

big gun

noun

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