amass

verb \ ə-ˈmas \

Updated on: 26 May 2018

Definition of amass

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

play \-mənt\ noun

See amass defined for English-language learners

See amass defined for kids

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 of amass from the Web

The Whortleberry Hill area of Northington was settled by John Woodford, Jr. who amassed a considerable amount of acreage.

— Courant Community, "Community News For The Valley Edition," 15 May 2018
The Democratic gubernatorial runoff winner isn’t expected to seriously challenge Abbott, who amassed an impressive war chest worth $43-plus million to start the year.

— Washington Post, "Immigration doubts follow Texas Democratic governor hopefuls," 11 May 2018
Will an authentic sounding assistant lull users into revealing their most private details to a company that amassed $95 billion in advertising revenue last year?

— david pierson, latimes.com, "Should people know they're talking to an algorithm? After a controversial debut, Google now says yes," 10 May 2018
Wake, the five-time Pro Bowl selection, is being counted on to again lead Miami’s pass rush, which amassed just 30 sacks last year, tied for 26th in the NFL.

— chris perkins, Sun-Sentinel.com, "Dolphins' Cameron Wake selected No. 74 on NFL Top 100 list," 8 May 2018
What all teams aspire to be is a franchise that somehow has amassed a dedicated fan base that remains engaged even as losses mount and insulated from when their sport and/or league seemingly falls from favor.

— phil rosenthal, chicagotribune.com, "Blackhawks' biggest loss since '15 Stanley Cup? Almost half their local TV audience," 26 Apr. 2018
Of the video, Austin -- who has amassed a following with his creative YouTube covers and original tracks -- said the outcome perfectly matched his vision.

— shanté honeycutt, Billboard, "Austin Awake Reminisces on a Past Relationship in 'About You' Video: Premiere," 13 Apr. 2018
But in reality, Kogan’s app was just one among many, many apps that amassed a huge amount of information in a way most Facebook users were completely unaware of.

— zeynep tufekci, WIRED, "Why Zuckerberg’s 15-Year Apology Tour Hasn’t Fixed Facebook," 6 Apr. 2018
The shooter was a real estate investor and high-stakes poker gambler who meticulously amassed assault-style weapons and fired for 10 minutes into a concert crowd of 22,000 people, authorities say.

— ken ritter, The Christian Science Monitor, "Students affected by Las Vegas shooting rally behind Parkland survivors," 23 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'amass.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.