amassed

American

[uh-mast] / əˈmæst /

adjective

gathered, collected, or accumulated, usually over time or from different sources.

Only one-fifth of the museum’s amassed collection is on display at any given time.
having come together or assembled.

Looking out at the amassed crowd during the memorial service, he spoke about the friend whose life they were honoring.

verb

the simple past tense and past participle of amass.

Other Word Forms

unamassed adjective

Etymology

Origin of amassed

First recorded in 1595–1605; amass ( def. ) + -ed ² ( def. ) for the adjective senses; amass ( def. ) + -ed ¹ ( def. ) for the verb sense

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

SpaceX has launched more than 11,000 satellites into low-Earth-orbit, and the company’s space-based broadband business, Starlink, has amassed more than 10 million customers.

From Barron's • Apr. 15, 2026

Founded by serial entrepreneurs Jordi Hays and John Coogan in 2024, TBPN, which started with no guests, has since amassed some notable “friends of the show”, as the hosts write on their YouTube page.

From MarketWatch • Apr. 3, 2026

The singles off of her new album have already amassed millions of Spotify streams.

From Los Angeles Times • Apr. 3, 2026

Behind the multibillion deal for Jetro Restaurant Depot is its 94-year-old founder who amassed billions by turning a Brooklyn warehouse into a U.S. food empire.

From The Wall Street Journal • Mar. 30, 2026

Charles’s long-range goal was to write the huge book he had intended from the beginning, including all the material and evidence he had amassed and would continue to amass about evolution by natural selection.

From "Charles and Emma: The Darwins' Leap of Faith" by Deborah Heiligman

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023