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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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The rainy weather could not ________ my elated spirits on my graduation day.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use big gun in a sentence

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
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