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.
Iran was planning to produce dozens of long-range missiles a month, aiming to amass a stock of 8,000 missiles. Ross O'Keefe, The Washington Examiner, 28 June 2025 One theme that has emerged from the creation of AI language tools for this small language is the importance of quality over quantity in amassing data and developing models. Christine Ro, Forbes.com, 27 June 2025 Just as wage and salary gains from the bill are likely to amass at the top, according to projections, the bill is also expected to redistribute wealth and resources toward the upper echelons of the income spectrum. Tobias Burns, The Hill, 26 June 2025 But in the months leading up to Tuesday’s election, Mamdani skyrocketed from obscurity to internet fame, amassing more than 1 million followers on Instagram, as well as hundreds of thousands on TikTok and X. Angela Yang, NBC news, 26 June 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 9 Jul. 2025.

Kids Definition

amass

verb
: to collect into a mass : accumulate
amasser noun

More from Merriam-Webster on amass

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