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
See all Synonyms & Antonyms 
Example Sentences
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 But the organization didn’t amass that much before the crash. 
Caitlin Ostroff, WSJ, 24 May 2022 Ashton, as the first person ever to amass 1 million Twitter followers and someone who’s spent a lot of time in Silicon Valley, how has your own thinking about social media evolved? Los Angeles Times, 29 July 2022 In other words, there are paths for the Heat to amass a significant first-round stockpile if a receiving team would prefer such payment as opposed to having to deal with Tyler Herro’s extension deadline. Ira Winderman, Sun Sentinel, 20 July 2022 The ad-optimizing algorithms of web2 platforms have built a culture where only a handful of creators who amass billions of followers reap all the rewards. Yola Robert, Forbes, 19 May 2022 The data may change hands several times or seep into a broader marketplace run by data brokers, which can amass huge collections. Washington Post, 4 May 2022 Nussbaum proposes that researchers who amass such intimate knowledge of animals create inventories of capabilities to be honored. Lawrence Wright, The New Yorker, 28 Feb. 2022 But the Miami Dolphins’ newest playmaker didn’t amass that type of offensive production on his own. Omar Kelly, Sun Sentinel, 21 July 2022 ISPs can amass large pools of sensitive information, even in the United States. Geoffrey A. Fowler, Washington Post, 15 July 2022 See More
Caitlin Ostroff, WSJ, 24 May 2022 Ashton, as the first person ever to amass 1 million Twitter followers and someone who’s spent a lot of time in Silicon Valley, how has your own thinking about social media evolved? Los Angeles Times, 29 July 2022 In other words, there are paths for the Heat to amass a significant first-round stockpile if a receiving team would prefer such payment as opposed to having to deal with Tyler Herro’s extension deadline. Ira Winderman, Sun Sentinel, 20 July 2022 The ad-optimizing algorithms of web2 platforms have built a culture where only a handful of creators who amass billions of followers reap all the rewards. Yola Robert, Forbes, 19 May 2022 The data may change hands several times or seep into a broader marketplace run by data brokers, which can amass huge collections. Washington Post, 4 May 2022 Nussbaum proposes that researchers who amass such intimate knowledge of animals create inventories of capabilities to be honored. Lawrence Wright, The New Yorker, 28 Feb. 2022 But the Miami Dolphins’ newest playmaker didn’t amass that type of offensive production on his own. Omar Kelly, Sun Sentinel, 21 July 2022 ISPs can amass large pools of sensitive information, even in the United States. Geoffrey A. Fowler, Washington Post, 15 July 2022 See More 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
amassed; amassing
: to collect or gather together
The businessman was able to amass a fortune.
amassing
verb
1
as in collecting
to bring together in one body or place amassed a truckload of donations in the course of their canned food drive Synonyms & Similar Words
Relevance
- collecting
- assembling
- gathering
- accumulating
- garnering
- corralling
- grouping
- packing
- combining
- concentrating
- joining
- lumping
- congregating
- getting together
- piling
- constellating
- organizing
- mustering
- rounding up
- stacking
- uniting
- compiling
- arranging
- raising
- merging
- balling
- swarming
- rallying
- heaping
- collating
- connecting
- clustering
- pooling
- picking up
- bulking (up)
- huddling
- linking
- batching
- flocking
- herding
- bunching
- thronging
- systematizing
- archiving
- regrouping
- hiving
- banding
- pressing
- brigading
- re-collecting
- regathering
- scraping (up or together)
Antonyms & Near Antonyms
- dispersing
- scattering
- dissipating
- separating
- sending
- dissolving
- disintegrating
- dispelling
- severing
- dismissing
- splitting (up)
- breaking up
- disbanding
2
as in accumulating
to gradually form into a layer, pile, or mass over the last month a huge mound of paperwork has amassed on my desk Synonyms & Similar Words
- accumulating
- collecting
- gathering
- massing
- concentrating
- accreting
- conglomerating
- drifting
- building up
- clumping
- lumping
- piling (up)
- stacking (up)
- banking
- agglutinating
- ridging
Antonyms & Near Antonyms
- dispersing
- scattering
- dissipating