big gun

noun

an important influential person

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he thinks he's a big shot

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she's a big deal in local politics

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the Qaeda commander is a very big fish

• Syn:

↑big shot, ↑big wheel, ↑big cheese, ↑big deal, ↑big enchilada, ↑big fish, ↑head honcho

• Usage Domain: ↑colloquialism

• Hypernyms: ↑important person, ↑influential person, ↑personage

• Hyponyms: ↑knocker, ↑supremo

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noun

: a person or factor of outstanding importance especially in some particular relation

a big gun in the diplomatic corps

ecology may be the big gun in the battle to keep the world's wild animals alive — W.A.Bridges

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Slang.

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

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big gun UK US noun [countable] [singular big gun plural big guns] informal

a powerful or important person or group of people

They’ve hired a big gun to represent them in court.

Thesaurus: important and powerful person or people_synonym

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big gun,

U.S. Slang. an important person or thing.

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I

n. informal a powerful or influential person

the first baseman and the center fielder were the big guns of that team

■ a significant or influential thing, esp. when presented as an ultimate means of persuasion

the blackmailer's big gun was the threat of photographs

II

informal an important or powerful person

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noun

the big guns

informal : the most powerful people, companies, organizations, etc.

They called in the big guns to deal with the problem.

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ˌbig ˈgun 7 [big gun] noun (informal)

a person who has a lot of power or influence