[ uh-mas ]
See synonyms for: amassamassedamassesamassing on

verb (used with object)
  1. to gather for oneself; collect as one's own: to amass a huge amount of money.

  2. to collect into a mass or pile; gather: He amassed his papers for his memoirs.

verb (used without object)
  1. to come together; assemble: crowds amassing for the parade.

Origin of amass

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

Other words for amass

Other words from amass

  • a·mass·a·ble, adjective
  • a·mass·er, noun
  • a·mass·ment, noun
  • re·a·mass, verb (used with object)
  • re·a·mass·ment, noun

Words Nearby amass Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use amass in a sentence

British Dictionary definitions for amass


/ (əˈmæs) /

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

  2. to gather in a heap; bring together

Origin of amass

C15: from Old French amasser, from masse mass

Derived forms of amass

  • amasser, noun

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