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.
Hays amassed land records and deeds, photos of interiors and exteriors of houses, and called to the stand an electricity expert to describe what low kilowatt usage might suggest about whether someone lives in a house or not. Mitch Moxley, Rolling Stone, 27 Sep. 2025 Since then, the Bucket List Family brand has launched an Instagram and a YouTube channel, amassing millions of followers across platforms. Meredith Wilshere, PEOPLE, 27 Sep. 2025 Logan Rexroat registered a game-high 156 rushing yards on 18 carries, as Argyle amassed 292 yards on the ground. Mike Waters, Fort Worth Star-Telegram, 27 Sep. 2025 Anne’s trip to the countryside opens up the series both physically and thematically by acknowledging that Irish life and history exist outside Dublin and that while the Guinness family amasses power and plays at politics, others are living a much different existence. Keith Phipps, Vulture, 25 Sep. 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 2 Oct. 2025.

Kids Definition

amass

verb
: to collect into a mass : accumulate
amasser noun

More from Merriam-Webster on amass

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