\ 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.

Other Words from amass

amasser noun
amassment \ ə-​ˈmas-​mənt How to pronounce amass (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 Meta, internet access providers and others amass much more information about users than was available to police investigators decades ago. Washington Post, 4 Apr. 2022 Rather than continuing to try to thread a needle — trying to win while also trying to amass talent in the minors — should the Diamondbacks just pick one or the other? Nick Piecoro, The Arizona Republic, 14 Mar. 2022 The band’s goal is to amass a total of $1 million for WCK during the Month of Giving, which this year has been extended to two months. Jude Zhu, Billboard, 4 Apr. 2022 Even governments that supported Covax began to cut deals with manufacturers to amass huge stockpiles for themselves, draining the number of doses available globally. Washington Post, 22 Mar. 2022 Start Here begins Monday morning with ABC's Terry Moran on the change in Russian tactics as troops amass in eastern Ukraine. Byrick Klein,averi Harper, ABC News, 11 Apr. 2022 At this rate, the single game will quickly outpace the 27 million cumulative sales that the Dark Souls franchise took nearly a decade to amass (as of May 2020). Kyle Orland, Ars Technica, 16 Mar. 2022 The fundraiser helped amass $7 million for Ukrainians in a short amount of time. Kory Grow, Rolling Stone, 8 Mar. 2022 In testing this format, Billat found that some runners were able to amass more than 18 total minutes at VO2 max, almost 1/3 of it occurring during their jogging recoveries. Matt Fitzgerald, Outside Online, 11 Nov. 2015 See More

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.

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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Dictionary Entries Near amass

amaryllis family



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Last Updated

8 May 2022

Cite this Entry

“Amass.” Dictionary, Merriam-Webster, Accessed 16 May. 2022.

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More Definitions for amass


\ 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.

More from Merriam-Webster on amass

Nglish: Translation of amass for Spanish Speakers

Britannica English: Translation of amass for Arabic Speakers


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