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Synonyms

amassed

American  
[uh-mast] / əˈmæst /

adjective

  1. 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.

  2. 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

  1. the simple past tense and past participle of amass.

Other Word Forms

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.

Appeared in the December 23, 2025, print edition as 'Australian Terror Suspects Had Amassed an Arsenal'.

From The Wall Street Journal • Dec. 22, 2025

Amassed by wealthy and powerful kings and queens in the last five centuries, it includes more than 1 million works, including priceless paintings by a long list of masters ranging from Rembrandt to Lucien Freud.

From Seattle Times • Nov. 6, 2017

Amassed over decades by a private collector, the letters represent one of the largest caches of Einstein's personal writings ever offered for sale.

From US News • Jun. 11, 2015

Amassed nine home runs and 12 doubles in batting .488 with 19 walks and a team-high 37 RBI.

From Washington Post • Jun. 9, 2011

Amassed by the London literary agent Peter Straus, the collection includes signed first editions, proofs, manuscripts, letters, judge’s copies, promotional material and other ephemera.

From New York Times • May 19, 2011