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

Valanciunas amassed 16 points and nine boards in 22 minutes, a busy night in spite of a minutes restriction that left David Adelman marveling at the box score afterward. —Bennett Durando, Denver Post, 24 Jan. 2026

This also happened in real life for Jay Dee; since 2019, the video has amassed over 91 million views on YouTube. —Andrea Flores, Los Angeles Times, 23 Jan. 2026

Ryan Coogler’s genre-busting drama amassed 16 Oscar nominations this morning, the most for any movie in history — topping the previous record shared by 1950’s All About Eve, 1997’s Titanic and 2016’s La La Land. —David Canfield, HollywoodReporter, 22 Jan. 2026

However, Joachim Trier’s Sentimental Value proved the season’s darkest horse, amassing nine nominations including Best Film, Best Director, Best Screenplay, Best Editing, and nods to all four key cast members — Stellan Skarsgård, Renate Reinsve, Elle Fanning, and Inga Ibsdotter Lilleaas. —Damon Wise, Deadline, 22 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