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

On a frantic mission to sculpt his body, Carlos Suárez powers through another day of his heavy weight routine. Washington Post, "Lawyer to be Mexico’s first body builder at Pan Am Games," 18 July 2019 Embodying a slave For Rogers, the work of complicating history and sometimes bearing the heavy weight of it is a family business. NBC News, "A modern man brings his slave ancestor to life, revealing America's complex story," 30 Aug. 2019 In addition to the heavy weight of history, hardliners in both governments will dig in their heels against concessions. Los Angeles Times, "Hello, Donald? This is the ayatollah calling," 28 Aug. 2019 The heavier weights may be necessary off the ledges at depths of 15 feet and more just to get the rig to bottom quickly, but less weight works better in shallower water. Frank Sargeant, al, "Why Carolina rig fishing works in Alabama waters," 29 July 2019 Broadcom fell the most among chipmakers and Intel, Texas Instruments and Nvidia were also among the heaviest weights on technology stocks. Washington Post, "Chipmakers, trade fears push stocks lower in early trading," 14 June 2019 Her mom failed her by making it too easy, and that is a heavy weight to carry for both of them. PEOPLE.com, "Elisabeth Rohm's Blog: Why I'm 'Tough' on My Daughter and Expect Her to Do School Work Alone," 21 June 2019 The organization was challenged with operational cost but the $5 million owned to a group of nine banks was the heavier weight. Lily Jackson | Ljackson@al.com, al.com, "Mobile plan aims to pull GulfQuest out of rough waters, again," 18 July 2019 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

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

3 Sep 2019

Look-up Popularity

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

What made you want to look up heavyweight? Please tell us where you read or heard it (including the quote, if possible).


one from the Upper Peninsula of Michigan

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