definitions

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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RELATED WORDS

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

Nearby words

big fish in a small pond, big five, big foot, big game, big government, big gun, big hair, big head, have a, big hitter, big hook, big house
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples 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