amass

verb

ə-ˈmas How to pronounce amass (audio)
amassed; amassing; amasses
Synonyms 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.
amasser noun
amassment
ə-ˈmas-mənt How to pronounce amass (audio)
noun

Synonyms of amass

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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
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.
The first family has openly admired others willing to amass bitcoin. — Dan Alexander, Forbes.com, 1 July 2026 Swift, whose net worth surpasses $2 billion, has amassed a fortune that rivals tech founders and venture capitalists. — Winston Cho, HollywoodReporter, 2 July 2026 Volatile, quarrelsome, dogmatic, and sure of his own brilliance, Reinhold outraged patrons, amassed huge debts, and turned his eldest son into an exhausted workhorse. — Jenny Uglow, The New York Review of Books, 4 July 2026 There’s been rotation on the left wing, but the triple-up on the France attack is now very tempting with Ousmane Dembele ($10m), who has amassed three goals and two assists in the tournament to date. — Holly Shand, New York Times, 2 July 2026 See All Example Sentences for amass

Word History

Etymology

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

First Known Use

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

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

Rhymes for amass

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Browse Nearby Words

amaryllis family
amass
amassette
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Cite this Entry

“Amass.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/amass. Accessed 7 Jul. 2026.

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Kids Definition

amass

verb
ə-ˈmas How to pronounce amass (audio)
: to collect into a mass : accumulate
amasser noun

More from Merriam-Webster on amass

Nglish: Translation of amass for Spanish Speakers

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