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.
Collins, who is seeking a sixth term, had amassed roughly $16 million for her reelection bid before Jackson became the nominee, while Republicans have already begun spending to introduce him to voters through negative advertising. — Claire Carter, The Washington Examiner, 31 July 2026 Now, with the song having amassed nearly 100 million streams on Spotify alone, Ross is nothing but shocked about what his friend’s lonesome songwriting session amounted to. — Chris Barilla, PEOPLE, 31 July 2026 Reuters at the enclave's border saw Moroccan police in riot gear using tear gas to disperse some of the people amassed near the fences. — Michael Francis Gore, USA Today, 31 July 2026 Federal prosecutors appear to be amassing a wide-ranging list of likely witnesses to take the stand in October when ex-Mayor Sheng Thao and three co-defendants face a criminal trial for charges of bribery and conspiracy. — Shomik Mukherjee, Mercury News, 31 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 5 Aug. 2026.

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Kids Definition

amass

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

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