amass

verb

ə-ˈmas 

amassed; amassing; amasses

transitive verb

1

: to collect for oneself : accumulate

amass a great fortune

2

: to collect into a mass : gather

must select rather than simply amass details

intransitive verb

: to come together : assemble

Dark clouds amassed over the city.

amasser noun

amassment

ə-ˈmas-mənt 

noun

Synonyms

• accumulate
• assemble
• bulk (up)
• collect
• concentrate
• congregate
• constellate
• corral
• garner
• gather
• group
• lump
• pick up
• round up

Examples of amass in a Sentence

They've amassed a wealth of information.

amassed a truckload of donations in the course of their canned food drive

Recent Examples on the Web

The video, which has currently amassed more than 7 million views, begins with a clip of the tiny kitten clinging to a tree amidst torrential rain before being rescued. —Yaakov Katz, Newsweek, 17 Jan. 2025

During wildfires, such particles can move via the collapse of sediment chunks that have amassed behind vegetation. —Sharon Udasin, The Hill, 17 Jan. 2025

The move follows a report by The Wall Street Journal, which cited people familiar with the matter, that revealed that activist investor Starboard Value had amassed a 7.7% stake in the company. —Hakyung Kim,lisa Kailai Han, CNBC, 16 Jan. 2025

The two women, born three decades apart in Tokyo, both preach the idea that households amass too much stuff. —River Akira Davis, New York Times, 16 Jan. 2025

Word History

Etymology

Anglo-French amasser, from a- (from Latin ad-) + masser to gather into a mass, from masse mass

First Known Use

15th century, in the meaning defined at transitive sense 1

Kids Definition

amass

verb

ə-ˈmas 

: to collect into a mass : accumulate

amasser noun