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 of amass

• collect
• gather
• assemble
• accumulate
• garner

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 brand has amassed a following of loyal travelers who live for its sleek, stylish, and functional bags. —Jasmine Gomez, Travel + Leisure, 30 Jan. 2026

The gospel singer has amassed 20 Grammy wins throughout his career, having won his first in 1996 for Best Contemporary Soul Gospel Album for his album Whatcha Lookin' 4. —Zoey Lyttle, PEOPLE, 30 Jan. 2026

After scoring two touchdowns and amassing 225 yards receiving in the overtime defeat, Nacua posted another critical comment about officials. —Los Angeles Times, 30 Jan. 2026

The series, the tale of a wealthy family forced to start from scratch in the middle-of-nowhere town of the title, amassed a cult following during the pandemic. —Meriam Bouarrouj, NBC news, 30 Jan. 2026

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

Rhymes for amass

• alas
• bromegrass
• bypass
• chagas
• crabgrass
• crevasse
• eelgrass
• eyeglass
• groundmass
• harass
• impasse
• jackass

Kids Definition

amass

verb

ə-ˈmas 

: to collect into a mass : accumulate

amasser noun