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mass 1 of 3

Definition of massnext
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as in body
a distinct and separate portion of matter a mass of leaves in a corner of the yard

Synonyms & Similar Words

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as in majority
the largest part or quantity of something believes that the great mass of voters are in the political center and consider themselves neither conservative nor liberal

Synonyms & Similar Words

Antonyms & Near Antonyms

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as in throng
a great number of persons or creatures massed together a huge mass of people had gathered in the park to protest the government's latest policy

Synonyms & Similar Words

mass

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adjective

mass

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verb

as in to accumulate
to gradually form into a layer, pile, or mass clouds massing on the western side of the mountain range

Synonyms & Similar Words

Antonyms & Near Antonyms

Synonym Chooser

How is the word mass different from other nouns like it?

The words bulk and volume are common synonyms of mass. While all three words mean "the aggregate that forms a body or unit," mass suggests an aggregate made by piling together things of the same kind.

a mass of boulders

Where would bulk be a reasonable alternative to mass?

While the synonyms bulk and mass are close in meaning, bulk implies an aggregate that is impressively large, heavy, or numerous.

the darkened bulk of the skyscrapers

In what contexts can volume take the place of mass?

The words volume and mass are synonyms, but do differ in nuance. Specifically, volume applies to an aggregate without shape or outline and capable of flowing or fluctuating.

a tremendous volume of water

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of mass
Noun
Protests erupted last month among pockets of traders in Tehran over worsening economic and living conditions but have since grown into the largest anti-regime demonstrations to grip the country since 2022, when the death in custody of Mahsa Amini triggered nationwide anger and mass protests. Arsalan Shahla, Fortune, 11 Jan. 2026 Daricka Moore will be charged with capital murder in connection with the mass killing that took place across three homes overnight, according to District Attorney Scott Colom. Jon Haworth, ABC News, 10 Jan. 2026
Adjective
The show touches on Williams’ life and is based on his writings about injustice and mass incarceration in the US legal system. Lea Veloso, StyleCaster, 6 Jan. 2026 That included mass demonstrations demanding an end to the arms race. The Editorial Board, Chicago Tribune, 6 Jan. 2026
Verb
Peasants massed in armed bands in one region, then another, and rebellion would break out even in areas far away. Literary Hub, 25 Sep. 2025 If Ukraine can widen these kill zones—by surveilling more territory and striking behind Russia’s current forward lines—and deny Russia the ability to mass men and materiel in its rear, Russian formations will be unable to generate any momentum. Andriy Zagorodnyuk, Foreign Affairs, 23 Sep. 2025 See All Example Sentences for mass
Recent Examples of Synonyms for mass
Noun
  • As 39% of the United Kingdom populace struggles to heat their homes, Edelstyn and Powell huddle under blankets themselves, trying vainly to warm up with endless mugs of tea.
    Will Tizard, Variety, 31 Oct. 2025
  • Each district sends two children as tributes to the fight-to-the-death Hunger Games, concocted by the capitol to keep the populace distracted.
    Adam Bell, Charlotte Observer, 27 Oct. 2025
Noun
  • As more loads were seized through the summer and fall of 2024, Wedding began to rely increasingly on one of Toronto’s most colorful criminal defense attorneys, Deepak Paradkar, for information, according to the indictment.
    Jesse Hyde, Rolling Stone, 10 Jan. 2026
  • In some of the tunnels that cut through the mountains, there were only a couple of inches to spare on either side of the loads.
    Stanley Stewart, Travel + Leisure, 10 Jan. 2026
Noun
  • Stokes, who seldom completes a five-Test series these days, had dragged his creaking, aching body through almost five full matches of hard, hot, energy-sapping cricket, like scraping butter over too much bread, but somehow soldiering on.
    Tim Spiers, New York Times, 7 Jan. 2026
  • The hardware is built for intimacy, pairing a soft exterior with full-body sensors that react to a user’s touch on its head or neck.
    Mrigakshi Dixit, Interesting Engineering, 7 Jan. 2026
Noun
  • McCarthy has also opened up about her health and weight loss journey over the years.
    Catherine Santino, PEOPLE, 12 Jan. 2026
  • This titanium whistle is about the same weight as a paper clip and is incredibly durable.
    Stephanie Gray, Travel + Leisure, 11 Jan. 2026
Noun
  • The majority of these strikes happen during the summer, causing around 20 fatalities each year, according to the NWS.
    NC Weather Bot, Charlotte Observer, 9 Nov. 2025
  • The majority of Malbec in Bordeaux died out from frost in the 1950s, and Petit Verdot often ripens too late to make it into the final blend, so many vineyards have been replanted with other varieties over the years.
    Mike DeSimone, Robb Report, 9 Nov. 2025
Noun
  • As the day wears on, the crowd swells to a formidable throng.
    Rhea Mogul, CNN Money, 9 Nov. 2025
  • Videos from Isfahan, Arak, and other cities show throngs of hijab-less women outdoors.
    Arash Azizi, The Atlantic, 7 Nov. 2025
Adjective
  • Nothing wrong with a little fantasy, but this year’s astrology asks us to stop romanticizing potential and start paying attention to what feels genuine, reciprocal and enduring.
    Valerie Mesa, PEOPLE, 7 Jan. 2026
  • But no one was prepared for the kind of reciprocal tariffs that were announced on April 2.
    Vicki M. Young, Footwear News, 29 Dec. 2025
Verb
  • Rainwater tends to accumulate at the road edges.
    NC Weather Bot, Charlotte Observer, 10 Nov. 2025
  • Higher elevations from West Virginia through the border of North Carolina and Tennessee can expect accumulating snow.
    Briana Waxman, CNN Money, 10 Nov. 2025

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Cite this Entry

“Mass.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/mass. Accessed 12 Jan. 2026.

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