heavyweight
[noun]
Synonyms: notable, big boy, big cheese, biggie, big-timer, chief, fat cat, leader, lion, VIP

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Contrasted words: lightweight

[TahlilGaran] English Synonym Dictionary ▲

heav‧y‧weight /ˈheviweɪt/ noun [countable]

1. someone or something that is very important or has a lot of influence:
one of the heavyweights of the movie industry

2. a boxer who weighs more than 86.18 kilograms, and who belongs to the heaviest weight class of boxers

[TahlilGaran] Dictionary of Contemporary English ▲