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[uh-mas] /əˈmæs/
verb (used with object)
to gather for oneself; collect as one's own:
to amass a huge amount of money.
to collect into a mass or pile; gather:
He amassed his papers for his memoirs.
verb (used without object)
to come together; assemble:
crowds amassing for the parade.
Origin of amass
1475-85; < French amasser, equivalent to a- a-5 + masse mass + -er infinitive suffix
Related forms
amassable, adjective
amasser, noun
amassment, noun
reamass, verb (used with object)
reamassment, noun
unamassed, adjective
1. accumulate. 2. assemble, aggregate. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for amassed
Contemporary Examples
Historical Examples
  • And Rembrandt died insolvent, while Sir Godfrey amassed a fortune!

    Art in England

    Dutton Cook
  • The father of one had amassed a handsome fortune in the tailoring business.

    The Citizen-Soldier John Beatty
  • They seized the chances for industry and commerce and amassed wealth.


    William Graham Sumner
  • She remembered that it was there her father had amassed his wealth.

    The Rhodesian

    Gertrude Page
  • He was a clever, prudent, enterprising man, and amassed a large fortune.

    Flora Lyndsay Susan Moodie
British Dictionary definitions for amassed


(transitive) to accumulate or collect (esp riches, etc)
to gather in a heap; bring together
Derived Forms
amasser, noun
Word Origin
C15: from Old French amasser, from massemass
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
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Word Origin and History for amassed



late 15c., "to heap up for oneself," from Old French amasser, from à "to" (see ad-) + masser (see mass (n.1)). Related: Amassed; amassing.

Online Etymology Dictionary, © 2010 Douglas Harper
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