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.

She previously burst into tears after the petition amassed more than 100,000 signatures.

From BBC • Apr. 19, 2026

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

Nightfall came, and forced the hunters to quit—that, and lack of space, for they had amassed as many bottles as the car could contain.

From "In Cold Blood" by Truman Capote

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