noun, often attributive
heavy·​weight | \ ˈhe-vē-ˌwāt How to pronounce heavyweight (audio) \

Definition of heavyweight

1 : one that is above average in weight
2 : one in the usually heaviest class of contestants: such as
a : a boxer in an unlimited weight division — compare light heavyweight
b : a weight lifter weighing more than 198 pounds
3 : one that possesses great power, prominence, or stature

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Examples of heavyweight in a Sentence

Their company is one of the industry's heavyweights. a heavyweight in the U.S. Senate, he has a lot of clout in judicial confirmations

Recent Examples on the Web

Under this heavier weight of sleep pressure, patients fall asleep faster, and achieve a more stable, solid form of sleep across the night. Mayo Oshin, Quartzy, "Five scientifically proven ways to fall asleep faster," 19 June 2019 To prepare her body for the grueling cardio and strength challenges that await, Davis, a long-distance runner, has embraced heavy weight lifting. Jenny Mccoy, SELF, "How an Extreme Endurance Athlete Trains to Trek 704 Miles From Antarctica to the South Pole," 11 Oct. 2018 But soon, the heavy weight of ammunition because a scourge of soldiers. David Hambling, Popular Mechanics, "The Overloaded Soldier: Why U.S. Infantry Now Carry More Weight Than Ever," 26 Dec. 2018 Be more stringent With the goal of doing more in less time, many quickie workouts incorporate heavy weights. Dana Wood, WSJ, "How To Work Out Efficiently If You’re a Workaholic," 15 Nov. 2018 The refueling was meant to test the F-35's ability to take on fuel at a heavier weight and higher altitude while using afterburners. Kyle Mizokami, Popular Mechanics, "New Footage Shows the Perils of F-35 Flight Testing," 12 July 2017 Start slowly, and gradually work your way up to longer sweat sessions and heavier weights. Haley Shapley, SELF, "How to Hike a 14,000-Foot Mountain With No Prior Experience," 17 Nov. 2018 This is reaffirmed when his best source in the Uncle Murda inquiry is himself killed, an event for which Bosch feels his own heavy weight of guilt. Tom Nolan, WSJ, "Mysteries: Blowing the Dust Off a Cold Case," 25 Oct. 2018 Recovery is just as important as actually lifting heavy weights. Cassie Lynn Lambert, SELF, "4 Things I Wish I Knew Before I Started Lifting Weights," 16 Sep. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'heavyweight.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of heavyweight

1857, in the meaning defined at sense 1

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Statistics for heavyweight

Last Updated

24 Jun 2019

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Time Traveler for heavyweight

The first known use of heavyweight was in 1857

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More Definitions for heavyweight



English Language Learners Definition of heavyweight

: a fighter in the heaviest class of boxers : a boxer who weighs more than 175 pounds (79.5 kilograms)
: someone or something that is very important and powerful
: something that is heavy

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Comments on heavyweight

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