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.
Toy Story opened over Thanksgiving and amassed $39 million over the long five-day holiday weekend. Pamela McClintock, HollywoodReporter, 21 June 2025 But then the video went viral, amassing more than 380,000 views and thousands of comments. Jordan Greene, People.com, 20 June 2025 The bad news is that political will can be hard to amass. Christine Ro, Forbes.com, 20 June 2025 In spite of high critical praise and a promising opening weekend, the Marvel film only amassed $380 million against a production budget of $180 million, officially flopping. Michileen Martin, MSNBC Newsweek, 19 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 27 Jun. 2025.

Kids Definition

amass

verb
: to collect into a mass : accumulate
amasser noun

More from Merriam-Webster on amass

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