Dictionary.com
Thesaurus.com
Synonyms

amass

American  
[uh-mas] / əˈmæs /

verb (used with object)

  1. to gather for oneself; collect as one's own.

    to amass a huge amount of money.

    Synonyms:
    accumulate
  2. to collect into a mass or pile; gather.

    He amassed his papers for his memoirs.

    Synonyms:
    aggregate, assemble

verb (used without object)

  1. to come together; assemble.

    crowds amassing for the parade.

amass British  
/ əˈmæs /

verb

  1. (tr) to accumulate or collect (esp riches, etc)

  2. to gather in a heap; bring together

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of amass

First recorded in 1475–85; from French amasser, equivalent to a- a- 5 ( def. ) + masse mass ( def. ) + -er, infinitive suffix

Explanation

Amass means bring together or assemble. It can be a real shock to enter a room and see your amassed friends shouting "Surprise!" Although the word amass should not be confused with "a mass," as in the thing you never want to hear has been found on your lung, they both derive from the Latin massa "lump." When you think about it, this makes sense. Whether soldiers or cancer cells, things that come together to form a whole — in this case, a tumor or an army — are amassed.

Keep Reading on Vocabulary.com

Vocabulary lists containing amass

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.

And last month he questioned the performances of Harry Amass and Chido Obi, describing a "feeling of entitlement" at United.

From Barron's • Jan. 9, 2026

"Amass was doing really well and got player of the month, while you had Chido scoring goals in the under-21s," said former United defender Phil Jones on BBC Radio 5 Live's The Monday Night Club.

From BBC • Jan. 5, 2026

“Our findings suggest that visitation restrictions may have inadvertently contributed to a secondary public health crisis, an epidemic of stress-related disorders among family members of ICU patients,” said Amass in a statement.

From Seattle Times • Apr. 26, 2022

Amass Four Thieves lotion offers a vibrant autumnal smell thanks to allspice, cinnamon, clove and eucalyptus.

From Los Angeles Times • Sep. 16, 2021

Amass for oneself; for a purpose; from a distance; with great labor; by industry.

From English Synonyms and Antonyms With Notes on the Correct Use of Prepositions by Fernald, James Champlin