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amass

American  
[uh-mas] / əˈmæs /

verb (used with object)

amasses, present (3rd person singular) amassed, past participle, past amassing present participle
  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)

amasses, present (3rd person singular) amassed, past participle, past amassing present participle
  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

Derived 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.

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