Definition of amass
- amass a great fortune
- must select rather than simply amass details
- Dark clouds amassed over the city.
They've amassed a wealth of information.
amassed a truckload of donations in the course of their canned food drive
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.
First Known Use: 15th centurySee Words from the same year
What made you want to look up amass? Please tell us where you read or heard it (including the quote, if possible).
Confusing Words—A Quiz