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.

Tech entrepreneur and “Shark Tank” investor Robert Herjavec has amassed a real-estate portfolio from New York to Australia.

From The Wall Street Journal • Apr. 11, 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

In San Francisco, Lurie has enjoyed high approval ratings and amassed a social-media following with his relentless boosterism and focus on cleaning up and cutting red tape.

From The Wall Street Journal • Mar. 30, 2026

In the first half of the nineteenth century, owners of whaling ships amassed fortunes from oil and built the still well-preserved Federalist and Greek Revival mansions on upper Main Street.

From "Class Matters" by The New York Times

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