heavyweight
US /ˈhev.i.weɪt/
UK /ˈhev.i.weɪt/
1.
a boxer or wrestler weighing more than 200 pounds (91 kg) in the amateur ranks or 175 pounds (79 kg) as a professional
:
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The former heavyweight champion announced his retirement.
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He moved up to the heavyweight division last year.
2.
a person of considerable importance or influence
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She's a real heavyweight in the tech industry.
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The conference attracted many political heavyweights.
1.
having great weight or influence
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He made a heavyweight contribution to the project.
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The company hired a heavyweight legal team.