\ ə-ˈmas How to pronounce amass (audio) \
amassed; amassing; amasses

Definition of amass

transitive verb

1 : to collect for oneself : accumulate amass a great fortune
2 : to collect into a mass : gather must select rather than simply amass details

intransitive verb

: to come together : assemble Dark clouds amassed over the city.

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Other Words from amass

amasser noun
amassment \ ə-​ˈmas-​mənt How to pronounce amassment (audio) \ noun

Examples of amass in a Sentence

They've amassed a wealth of information. amassed a truckload of donations in the course of their canned food drive
Recent Examples on the Web Washington did not say people should amass arms to possibly fight their own government, as what’s inscribed on the plaque, which is actually a faux Texas historical marker. Tonyaa Weathersbee, USA TODAY, "Fact check: George Washington didn't say citizens should arm themselves against government," 21 June 2020 Yoes issued a statement June 9 that neither rejected nor supported the Democrats’ bill, but pledged to work with Congress and the White House on a policing reform bill that could amass bipartisan support. Alana Abramson, Time, "'We As Professionals Are Under Assault.' How The George Floyd Protests Are Shifting Power Away From Police Unions," 11 June 2020 Although activities could begin on June 8, Stratford waited until June 10 in order to have time to amass even more supplies like hand sanitizer and disinfectant wipes. Elliott Lapin, Houston Chronicle, "Stratford Spartans return to campus for summer strength and conditioning camp," 11 June 2020 These companies amass more than $6 trillion in revenue per year and include tech giants like Google-Alphabet, Microsoft, Tesla, and Apple. Ananya Bhattacharya, Quartz India, "A new study shows Trump’s anti-immigration policies will end up hurting the US," 8 June 2020 This has helped Google amass a nearly unending trove of data that could be stolen or hacked by governments and criminals, the consumers allege. Robert Burnson,, "Google Sued for Secretly Amassing Vast Trove of User Data," 8 June 2020 Former New York City Mayor Rudolph Giuliani blasted the protesters amassing in major cities across the country in the name of George Floyd, a man who died at the hands of a Minneapolis police officer earlier this week. Fox News, "Rudy Giuliani calls for Minneapolis mayor to resign, blames 'progressive Democrats' for 'violence' in wake of Floyd death," 30 May 2020 Vaughn, who amassed more than 2,700 yards in two years with a limited Vanderbilt offense, isn't the most physically gifted guy but runs hard and has the ability to be a safety valve on third down. Nate Davis, USA TODAY, "Twenty NFL rookies who could make instant impacts in 2020 season," 19 May 2020 Though the evidence of inadequacies amassed in the four-year-old lawsuit is damning, students in the Detroit Public Schools Community District have shown some recent improvements in reading. New York Times, "Detroit Students Have a Constitutional Right to Literacy, Court Rules," 27 Apr. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'amass.' 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 amass

15th century, in the meaning defined at transitive sense 1

History and Etymology for amass

Anglo-French amasser, from a- (from Latin ad-) + masser to gather into a mass, from masse mass

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Time Traveler for amass

Time Traveler

The first known use of amass was in the 15th century

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Statistics for amass

Last Updated

24 Jun 2020

Cite this Entry

“Amass.” Dictionary, Merriam-Webster, Accessed 5 Jul. 2020.

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More Definitions for amass


How to pronounce amass (audio)

English Language Learners Definition of amass

: to gather or collect (something, such as a large amount of money) especially for yourself


\ ə-ˈmas How to pronounce amass (audio) \
amassed; amassing

Kids Definition of amass

: to collect or gather together The businessman was able to amass a fortune.

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More from Merriam-Webster on amass

Thesaurus: All synonyms and antonyms for amass

Rhyming Dictionary: Words that rhyme with amass

Spanish Central: Translation of amass

Nglish: Translation of amass for Spanish Speakers

Britannica English: Translation of amass for Arabic Speakers

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