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.
Barreling through the first quarter, Western Hills amassed three more touchdowns from De’Anthony Monroe, Mohammed Soumahoro, and Jeremiah Stribling. Elijah Flowers, Fort Worth Star-Telegram, 4 Oct. 2025 Around that time, a front-page story in The New York Times detailed how Dundon and others had amassed wealth by packaging risky auto loans made to low-income people and selling those loans as securities for hundreds of millions of dollars. Tony Schick, ProPublica, 3 Oct. 2025 No one before or since has amassed such a catalog of quirky child behaviors that researchers even today can replicate within individual children. Celeste Kidd, The Conversation, 3 Oct. 2025 His three adult children have amassed huge social media followings, just like their patriarch. Cynthia Littleton, Variety, 3 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 6 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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