\ 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 Official Peloton Member page, first started by a member in 2015 and now moderated by the brand, has amassed 160,000 members around the world. Leah Groth, Glamour, "Peloton’s Online Community Is Changing the Fitness Game for Moms," 9 Apr. 2019 Several successful seasons later, Chip and Jo had amassed millions of fans and launched multiple businesses. Taysha Murtaugh, Country Living, "Lindsey Weidhorn Is the Woman Behind All Your Favorite HGTV Shows," 2 Apr. 2019 With fourteen seasons and 291 (!) episodes under his belt, the 28-year-old has amassed a net worth of $300,000, according to Amanda Garrity, Good Housekeeping, "What Is Zach Roloff's Net Worth? Here's What the 'Little People, Big World' Star Does for a Living," 2 Apr. 2019 On the one hand, companies such as Google and Facebook have amassed enormous amounts of power, and their practices with regard to data, competition, and censorship deserve scrutiny. Emily Stewart, Vox, "There are lots of reasons to worry about Google. Congress just picked the wrong one.," 12 Dec. 2018 Oh yeah, and the post itself has already amassed over four million likes in less than 24 hours. Kaleigh Fasanella, Allure, "Kylie Jenner Posted a Rare Makeup-Free Photo on Instagram," 26 Mar. 2019 The Craigslist seller from Anderson, Ind., has amassed a collection of 15 TCs, encompassing every color and configuration ever made. Gary Gastelu, Fox News, "Hoard of 15 Chrysler TCs hits Craigslist for one low price," 24 Aug. 2018 Marin has amassed what is believed to be the largest private collection focused on Chicano art. Brittany Martin, Los Angeles Magazine, "Cheech Marin Reflects on His New Art Museum–and Some Big Cultural Shifts," 21 June 2018 The 787 acres Foxconn now holds was amassed from 17 individual parcels purchased from previous owners by the Village of Mount Pleasant. Rick Romell, Milwaukee Journal Sentinel, "Foxconn takes possession of factory site in Racine County; earth-moving will begin soon," 26 Apr. 2018

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

14 Apr 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).


an enemy or opponent

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