noting or pertaining to a boxer, wrestler, etc., of the heaviest competitive class, especially a professional boxer weighing more than 175 pounds (79.4 kilograms).
of or relating to the weight class or division of such boxers: a heavyweight bout.
(of a riding horse, especially a hunter) able to carry up to 205 pounds (93 kilograms).
designating a person, company, nation, or other entity that is extremely powerful, influential, or important: a team of heavyweight lawyers.
a person of more than average weight.
a heavyweight boxer or wrestler.
a person, company, nation, or other entity that is powerful and influential: a price hike initiated by the heavyweights in the industry.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use heavyweight in a sentence
The paper is heavyweight, which will cushion every line no matter how thin or hard your graphite.Must-have art supplies to let your inner creative shine | Sandra Gutierrez G. | February 11, 2021 | Popular-Science
Made from Seea’s heavyweight C-Skin fabric, the suit is constructed from a blend of polyester and spandex yet feels like lightweight neoprene.The Surf Gear I Rely on from Women-Owned Companies | Rebecca Parsons | January 30, 2021 | Outside Online
Few seemed surprised that this attempt at revolutionizing the healthcare system and lowering costs from major heavyweights fell apart for Haven.Why J.P. Morgan, Berkshire Hathaway, and Amazon’s plan to shake up healthcare fell apart | Lucinda Shen | January 5, 2021 | Fortune
This month, the Chile-born actor is a part of not one but two heavyweight entertainment properties at their peak.For Pedro Pascal, this is the way to play a villain when you’re also the coolest hero in the galaxy | David Betancourt | December 26, 2020 | Washington Post
It wasn’t even close to the most significant transformation the former undisputed heavyweight champion of the world underwent in the 15 years since he last fought professionally.Mike Tyson fought for the first time in 15 years. So much had changed. | Gene Wang | November 29, 2020 | Washington Post
The crowd itself is part-Brooklyn hipster, with a side of Hollywood heavyweight thrown in for good measure.L.A.’s Cool-Kid Backyard Concert Series—Kensington Presents | Sara Lieberman | October 17, 2014 | THE DAILY BEAST
He gave a brief wave to his younger bother, Wladimir Klitschko, who holds five other world heavyweight boxing titles.Here's What It's Like to Fight Vitali Klitschko, Ukraine’s Revolutionary Champ | Michael Daly | February 24, 2014 | THE DAILY BEAST
In 2012, he stunned the world by beating a defending heavyweight champion at age 41.Here's What It's Like to Fight Vitali Klitschko, Ukraine’s Revolutionary Champ | Michael Daly | February 24, 2014 | THE DAILY BEAST
Muhammad Ali “shocked the world” 50 years ago this week when he beat Sonny Liston to become the heavyweight champion of the world.
After serving three years, Tyson quickly got back into the fight game and regained the heavyweight title one year later.
If it was th' soul wud be in th' heavyweight class, f'r th' New England conscience is no feather.Mr. Dooley Says | Finley Dunne
I remember one brilliant welterweight champion who lasted only one round with a broken-down heavyweight.What Will People Say? | Rupert Hughes
When that heavyweight settled down, it was like a stone wagon dropping into a hole in the road.The Boy Scouts at the Panama-Pacific Exposition | Howard Payson
He was billed to fight both Pewther and a French heavyweight aspirant the same evening.The Stars & Stripes, Vol 1, No 1, February 8, 1918 | American Expeditionary Forces
Two heavyweight constables returned with me to the house and gravely inspected the premises.True Tales of the Weird | Sidney Dickinson
British Dictionary definitions for heavyweight
a person or thing that is heavier than average
a professional boxer weighing more than 175 pounds (79 kg)
an amateur boxer weighing more than 81 kg (179 pounds)
(as modifier): the world heavyweight championship
a wrestler in a similar weight category (usually over 214 pounds (97 kg))
informal an important or highly 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