\ 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 \ -​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

The movie, starring Dwayne Johnson and Jason Statham, is expected to amass even more as the summer progresses and the power of The Rock's arms becomes even more undeniable to audiences. Wired, "Hobbs & Shaw Ruled the Box Office Last Weekend," 5 Aug. 2019 The immersive experience, which included activations from natural hair brands, an artisan marketplace, international cuisine, panels, hip-hop, and soca music, amassed thousands of attendees clad in eccentric fashion and eye-catching hairstyles. Jennifer Ford, Essence, "All Of The Hair Inspiration From Curlfest 2019," 29 July 2019 The San Antonio Express-News reported last year that Vysk been hit with hundreds of thousands of dollars in court judgments and had amassed more than $2.2 million in delinquent payroll taxes. Patrick Danner,, "Loss of patents marks latest woes for San Antonio tech startup," 21 June 2019 For one weekend every July, the public can see remnants of yesteryear that Steve Bauer has amassed over three decades on his property, named Pioneer Village. Nick Ferraro, Twin Cities, "Little Log House Pioneer Village open this weekend near Hastings," 26 July 2019 Earlier this year, Forbes reported that Deng had amassed a collection of hotels, resorts, condos and apartment buildings worth $125 million. Jack Flemming, Los Angeles Times, "NBA’s Luol Deng whittles down price of modern Brentwood home," 25 July 2019 Labanc ranks 10th in assists and points among his 2014 NHL Draft class and is one of three players to be drafted in the second round or later to amass over 200 NHL games after being selected in 2014. Curtis Pashelka, The Mercury News, "Sharks sign RFA Kevin Labanc to one-year deal," 8 July 2019 The former Colorado governor has failed to amass substantial fundraising support and is low on money — netting only 13,000 individual donors, one-tenth the amount needed to qualify for the fall primary debates. Nic Garcia, The Denver Post, "John Hickenlooper’s presidential run in doubt after staff exodus, low donor numbers," 2 July 2019 Girard Damian Saenz, 58, amassed his collection of pistols and rifles between January 2016 and May 2019, authorities said in a statement Monday. Rachel Desantis,, "Man Charged With 64 Felony Counts After Police Seize Over 1,000 Guns From Bel Air Mansion," 16 July 2019

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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Statistics for amass

Last Updated

18 Aug 2019

Look-up Popularity

Time Traveler for amass

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

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More Definitions for amass



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

Rhyming Dictionary: Words that rhyme with amass

Thesaurus: All synonyms and antonyms for amass

Spanish Central: Translation of amass

Nglish: Translation of amass for Spanish Speakers

Britannica English: Translation of amass for Arabic Speakers

Comments on amass

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


a period when something is suspended

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