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.
Thiago Magalhaes amassed over 200 yards and three touchdowns for Whitman-Hanson in a 34-13 win over New Bedford. Tyler McManus, Boston Herald, 8 Nov. 2025 Ukraine’s President Volodymyr Zelensky said earlier this week that Russia had amassed some 170,000 troops in the region to bolster the Pokrovsk offensive. Ivana Kottasová, CNN Money, 8 Nov. 2025 The video went viral, amassing over 2 million views. Jack Beresford, MSNBC Newsweek, 8 Nov. 2025 Gates, who played from 2003-18, amassed more yardage in franchise history with 11,841. Elliott Teaford, Oc Register, 8 Nov. 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 10 Nov. 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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