Synonyms

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

Many credit that change to Barshay, who has quietly amassed power at the firm over the years.

From The Wall Street Journal • Apr. 6, 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

Mr. Frankweiler amassed a fortune from the corn oil industry and from developing many corn products.

From "From the Mixed-Up Files of Mrs. Basil E. Frankweiler" by E.L. Konigsburg

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