accumulate

verb

ac·​cu·​mu·​late ə-ˈkyü-m(y)ə-ˌlāt How to pronounce accumulate (audio)
accumulated; accumulating

transitive verb

: to gather or pile up especially little by little : amass
accumulate a fortune

intransitive verb

: to increase gradually in quantity or number
snow accumulating to a depth of several feet

Examples of accumulate in a Sentence

Evidence of his guilt is accumulating. the number of complaints about that mail order firm is really accumulating
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Rainwater tends to accumulate at the road edges. Nc Weather Bot, Charlotte Observer, 27 Oct. 2025 With head coach Brian Callahan fired and Tennessee’s season already slipping away, the Titans appear focused on accumulating draft capital to reshape the roster under new leadership. Evan Dammarell, MSNBC Newsweek, 27 Oct. 2025 Slowly, gaining confidence at shooting and interviewing, Pencic accumulated remarkable material from all kinds of places, shooting for four months, always, somehow, after dark. Will Tizard, Variety, 27 Oct. 2025 At a higher level, the data accumulated by eBird has been used by researchers to better understand bird distribution, gain deeper understanding of migration patterns, model population trends and predict bird populations over time. Ernie Cowan, San Diego Union-Tribune, 26 Oct. 2025 See All Example Sentences for accumulate

Word History

Etymology

borrowed from Latin accumulātus, past participle of accumulāre "to heap up, add to, increase," from ad- ad- + cumulāre "to gather into a heap" — more at cumulate

Note: In part a Latinization of Middle French accumuler.

First Known Use

15th century, in the meaning defined at transitive sense

Time Traveler
The first known use of accumulate was in the 15th century

Browse Nearby Words

Cite this Entry

“Accumulate.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/accumulate. Accessed 28 Oct. 2025.

Kids Definition

accumulate

verb
ac·​cu·​mu·​late ə-ˈkyü-myə-ˌlāt How to pronounce accumulate (audio)
accumulated; accumulating
1
: to gather or pile up especially little by little : amass
accumulate a fortune
2
: to increase in quantity, number, or amount
rubbish accumulates quickly

Legal Definition

accumulate

verb
ac·​cu·​mu·​late
accumulated; accumulating

transitive verb

: to gather especially little by little
specifically : to add (income from a fund) back into the principal

intransitive verb

: to increase gradually in amount or number

More from Merriam-Webster on accumulate

Last Updated: - Updated example sentences
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