mass 1 of 3

1
2
as in loads
a considerable amount I have a mass of work to do tonight

Synonyms & Similar Words

Antonyms & Near Antonyms

3
as in body
a distinct and separate portion of matter a mass of leaves in a corner of the yard

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4
5
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

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Antonyms & Near Antonyms

6
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

2 of 3

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

mass

3 of 3

adjective

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
Karl noted how Santos is one of many former congressmen to either be pardoned or receive clemency, prompting Johnson to point to former President Joe Biden’s mass pardons and commutations. Asher Notheis, The Washington Examiner, 19 Oct. 2025 The inventor of the light bulb is also credited with developing many other devices in mass communication, sound recording and motion pictures. Arizona Republic, AZCentral.com, 18 Oct. 2025
Verb
Scientists attribute this to their tissues being rich in high-molecular-mass hyaluronan, a sugar-like molecule that prevents uncontrolled cell growth. Kaif Shaikh, Interesting Engineering, 17 Oct. 2025 Deploying robotaxis for the mass market typically starts with local testing on public roads in order to establish a safety track record for obtaining regulatory approval. Evelyn Cheng, CNBC, 17 Oct. 2025
Adjective
Thousands of Filipinos massed in the capital on the main Epifanio de los Santos Avenue, a historic highway known by its acronym EDSA, many either clad in white or wearing a white ribbon, and braving extreme heat and rain. Chad De Guzman, Time, 21 Sep. 2025 Removing the old customs and strictures led not to a flowering of virtue but to mass outbreaks of revenge. Paul Kingsnorth, Harpers Magazine, 19 Sep. 2025 See All Example Sentences for mass
Recent Examples of Synonyms for mass
Noun
  • The movement of aid has increased through Israel’s border, but on a scale that Palestinians say falls short of the needs of a destitute populace.
    Jason Ma, Fortune, 19 Oct. 2025
  • That’s where the actual populace is.
    Sarah Shachat, IndieWire, 13 Oct. 2025
Noun
  • The extra-large dryer fits large loads and can handle multiple blankets.
    Christopher Murray may earn a commission if you buy through our referral links. This content was created by a team that works independently from the Fox newsroom., FOXNews.com, 16 Oct. 2025
  • The fourth-generation model (and third Spyder overall) is a true speed machine, combining more aggressive styling with loads of power.
    Bryan Hood, Robb Report, 16 Oct. 2025
Noun
  • Aquatic nuisance species are non-native plants and animals that can cause ecological or economic harm, or even harm to human health if introduced to a body of water.
    Arkansas Online, Arkansas Online, 21 Oct. 2025
  • These six full-body blankets rose to the top for heat therapy at home.
    Brigitt Earley, Glamour, 20 Oct. 2025
Noun
  • The average weight for an 11-year-old boy is over 80 lbs.
    Charlotte Phillipp, PEOPLE, 19 Oct. 2025
  • Over-Fussing with the Menu Southerners can be guilty of always assuming there needs to be a table buckling under the weight of food, but there is no need to overthink the menu.
    Kaitlyn Yarborough, Southern Living, 18 Oct. 2025
Noun
  • But Paz’s party does not hold a majority in the country’s legislature, which will force him to forge alliances to govern effectively.
    Reuters 3 min ago, CNN Money, 20 Oct. 2025
  • Denver has gone completely cold for the majority of their last 12 quarters.
    Luca Evans, Denver Post, 20 Oct. 2025
Noun
  • Atkinson and his family were walking from their downtown Columbus condo to a restaurant and noticed a throng of Blue Jackets fans camping outside Nationwide Arena to get a jump on tickets the following day.
    Aaron Portzline, New York Times, 17 Oct. 2025
  • The event drew such a large crowd on Sunday that several Surf City residents complained on social media about a lack of security and noise control, as throngs of attendees poured onto the streets and blocked traffic.
    Claire Wang, Oc Register, 14 Oct. 2025
Verb
  • When exposure occurs through food or drinking water, cesium-137 can accumulate in the body and increase the risk of cancer due to its DNA-damaging properties.
    Hollie Silverman, MSNBC Newsweek, 18 Oct. 2025
  • When nesting under your porch or deck or in a crawlspace, chimney, or attic, raccoon waste will accumulate and cause odors.
    Arricca Elin SanSone, Southern Living, 18 Oct. 2025
Adjective
  • Say yes to anything that feels light, exciting, and reciprocal.
    Dossé-Via Trenou, Refinery29, 19 Oct. 2025
  • But what shook fear around the world was his disclosure in April to impose global reciprocal tariffs, a move that posed a huge problem for shoe brands who produce in China and Vietnam.
    Vicki M. Young, Footwear News, 17 Oct. 2025

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Cite this Entry

“Mass.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/mass. Accessed 23 Oct. 2025.

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