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.

Incredible intergenerational empires were amassed, with land holdings the size of small states.

From Slate • Apr. 20, 2026

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

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

How small he looked between all the valuable and worthless things he had greedily amassed.

From "The Thief Lord" by Cornelia Funke

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