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
Relativity offered little information on the mission, such as its size, mass, power, or cost. Stephen Clark, ArsTechnica, 19 June 2026 Despite the extremely low target mass, detection remained precise and stable, performing as though the water itself were effectively absent from the detection environment, according to BMRT. Prabhat Ranjan Mishra, Interesting Engineering, 19 June 2026
Adjective
Anthropic had been seeking exemptions from having its models used for autonomous weapons systems or mass domestic surveillance. Jeremy Kahn, Fortune, 13 June 2026 This proves to be the catalyst for mass rioting. Helaine Williams, Arkansas Online, 13 June 2026
Verb
In October 1973, Israeli military intelligence had detailed reports of Egyptian and Syrian forces massing on the borders. Bryce Hoffman, Forbes.com, 17 May 2026 Thousands more were massed outside the gates. Louis Menand, New Yorker, 13 Apr. 2026 See All Example Sentences for mass
Recent Examples of Synonyms for mass
Noun
  • Pressure from a populace desperate to launder Colombia’s image from headlines of cocaine and civil war.
    Mark Zeigler, San Diego Union-Tribune, 8 June 2026
  • Gentile da Foligno in Perugia Italy was one of the few regions in Latin Christendom where physicians organized into guilds in the fourteenth century and thus routinely treated the general populace, rather than merely the wealthier mercantile and aristocratic classes.
    Literary Hub, Literary Hub, 27 May 2026
Noun
  • As one of Montana’s longest standing dude ranches, the property is constantly reimagining through refined design, a wildly impressive staff, and heaps of annual events bringing loads of travelers, from local to first-time ranchers alike.
    Condé Nast, Condé Nast Traveler, 16 June 2026
  • At Cattlemen’s, still newish from its $3 million remodeling, the menu leads with a 2-pound porterhouse ($95) and loads of Western steakhouse character.
    Bud Kennedy, Fort Worth Star-Telegram, 15 June 2026
Noun
  • On Tuesday, Emeryville police announced the body had been identified as 30-year-old Marcus Moore.
    Jose Fabian, CBS News, 17 June 2026
  • On Monday, the Overland Park Police reported that Lieurance’s body had been discovered in his vehicle the evening before on June 14, in the lake alongside Joe Bald Park in Kimberling City, Missouri, about 18 miles east of Branson.
    Eric Adler, Kansas City Star, 17 June 2026
Noun
  • The company developed the system with strict size, weight, and power requirements in mind.
    Aamir Khollam, Interesting Engineering, 18 June 2026
  • Player was the first to take on the slam’s weight and win it anyway.
    Brody Miller, New York Times, 17 June 2026
Noun
  • With multiple scoring chances and the majority of possession, Morocco has controlled much of these first 20 minutes in Boston.
    Andrew Greif, NBC news, 20 June 2026
  • The anti-Netanyahu bloc is expected to secure a majority in parliament, according to recent polls, as Netanyahu’s coalition partners trail far behind.
    Ruth Margalit, New Yorker, 19 June 2026
Noun
  • In preparation for a throng of World Cup fans, Romo set up a separate event space two blocks away from their restaurant and centered on their food truck, which Romo assumed would serve fans walking along the boulevard, perhaps to and from the Fan Festival.
    Eric Adler June 18, Kansas City Star, 18 June 2026
  • Christina Hara, a member of our editorial staff, decked out in orange and blue, was among the throng.
    Ian Crouch, New Yorker, 18 June 2026
Adjective
  • The Sheriff’s Office is handling the investigation under a reciprocal agreement with San Diego police, so neither department investigates its own officers or deputies in on-duty shootings.
    Caleb Lunetta, San Diego Union-Tribune, 12 June 2026
  • Venus will also join Jupiter in this area of your chart, which can bring everything from a romantic breakthrough and deeper closeness to someone who makes your connection feel tender and reciprocal.
    Valerie Mesa, PEOPLE, 5 June 2026
Verb
  • Although at the end of his life, my dad had managed to accumulate more than enough money to keep him and my mom happy, he was obsessed about money, probably due to his own difficult upbringing and the trauma associated with it.
    R. Eric Thomas, Chicago Tribune, 15 June 2026
  • Rainwater tends to accumulate at the road edges.
    NC Weather Bot, Charlotte Observer, 15 June 2026

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Cite this Entry

“Mass.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/mass. Accessed 20 Jun. 2026.

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