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 company amassed a debt of about $143 million, according to court documents, and in return, closed 10 stores across the country, including the one the Kassings booked in Kansas. Greta Cross, USA Today, 20 Sep. 2025 Maddy's post went viral on TikTok, amassing over 871,000 views. Daniella Gray, MSNBC Newsweek, 20 Sep. 2025 Following season 2's premiere in December 2022, Alice in Borderland landed among the streamer's Top 10 series in more than 90 countries, amassing 200 million viewing hours worldwide. Randall Colburn, Entertainment Weekly, 20 Sep. 2025 Through traditional furniture-making businesses like Forks Valley Woodworking, Y&T Woodcraft and Nisley Cabinets, Stewart Roth has amassed an impressive collection of heirloom quality pieces. Liz Ohanesian, Oc Register, 19 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 22 Sep. 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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