amassed; amassing; amasses

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 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
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 TikTok video posted earlier this week, which amassed over 86,000 views in three days, showed Cammy two days after her injection, running in circles around the house. Liz O'Connell, MSNBC Newsweek, 10 Oct. 2025 But when the 2021 New York City mayoral election came along, DSA didn't endorse a candidate, despite the fact that the organization had amassed a large canvassing infrastructure in the years preceding it. Halle Troadec, ABC News, 10 Oct. 2025 Gus, meanwhile, went on to amass 743 points over 1,056 games for five teams, highlighted by an appearance in the 1988 All-Star Game during his first year in Vancouver and an iconic series-clinching overtime goal for the Canucks in the 1994 conference finals. Rob Rossi, New York Times, 10 Oct. 2025 As naval vessels filled the Delaware River that day, crowds amassed along the shorelines to cheer. Victoria Flexner, The Atlantic, 9 Oct. 2025 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

Browse Nearby Words

Cite this Entry

“Amass.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/amass. Accessed 16 Oct. 2025.

Kids Definition

amass

verb
: to collect into a mass : accumulate
amasser noun

More from Merriam-Webster on amass

Last Updated: - Updated example sentences
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