aggregate
Americanadjective
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formed by the conjunction or collection of particulars into a whole mass or sum; total; combined.
the aggregate amount of indebtedness.
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Botany.
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(of a flower) formed of florets collected in a dense cluster but not cohering, as the daisy.
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(of a fruit) composed of a cluster of carpels belonging to the same flower, as the raspberry.
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Geology. (of a rock) consisting of a mixture of minerals separable by mechanical means.
noun
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a sum, mass, or assemblage of particulars; a total or gross amount.
the aggregate of all past experience.
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a cluster of soil particles: an aggregate larger than 250 micrometers in diameter, as the size of a small crumb, is technically regarded as a macroaggregate.
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any of various loose, particulate materials, as sand, gravel, or pebbles, added to a cementing agent to make concrete, plaster, etc.
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Mathematics. set.
verb (used with object)
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to bring together; collect into one sum, mass, or body.
- Synonyms:
- gather, accumulate, amass, assemble
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to amount to (the number of ).
The guns captured will aggregate five or six hundred.
verb (used without object)
idioms
adjective
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formed of separate units collected into a whole; collective; corporate
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(of fruits and flowers) composed of a dense cluster of carpels or florets
noun
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a sum or assemblage of many separate units; sum total
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geology a rock, such as granite, consisting of a mixture of minerals
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the sand and stone mixed with cement and water to make concrete
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a group of closely related biotypes produced by apomixis, such as brambles, which are the Rubus fruticosus aggregate
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taken as a whole
verb
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to combine or be combined into a body, etc
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(tr) to amount to (a number)
Other Word Forms
Derived Forms
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hyperaggregateverb
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unaggregatedadjective
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aggregativeadjective
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aggregatelyadverb
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aggregableadjective
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aggregatenessnoun
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aggregatelyadjective
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reaggregateverb
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aggregatoryadjective
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subaggregateadjective
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subaggregatelyadverb
Conjugated Forms
Present
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have aggregatedperfect
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has aggregatedperfect 3rd person singular
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are aggregatingprogressive
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is aggregatingprogressive 3rd person singular
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has been aggregatingperfect progressive 3rd person singular
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am aggregatingprogressive 1st person singular
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aggregatessingular 3rd person
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have been aggregatingperfect progressive
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aggregatingparticiple
Past
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had aggregatedperfect
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aggregatedsimple
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aggregatedparticiple
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had been aggregatingperfect progressive
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was aggregatingprogressive singular
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were aggregatingprogressive plural
Future
Etymology
Origin of aggregate
First recorded in 1375–1425; late Middle English, from Latin aggregātus (past participle of aggregāre ), equivalent to ag- ag- + greg- (stem of grex “flock”) + -ātus -ate 1
Explanation
To aggregate is to collect many units into one. If you're writing a novel, you might create a character who is an aggregate of five or six real people. Aggregate comes from the Latin verb aggregare, which means to add to. As a verb it means to collect into a mass or whole. You can also use it as an adjective, as in your aggregate sales for February, March and April. It can also be a noun. The mountain of foam in bubble bath is an aggregate of small bubbles. If you plan to work in economics or business, expect to see the word aggregate quite a lot.
Vocabulary lists containing aggregate
Grade 10, List 2
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Gimme, Gimme, Gimme
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The Federalist Papers, No. 10 by James Madison
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
GSK said its aggregate investment is estimated to be $9.4 billion given that Nuvalent brings cash with it.
From The Wall Street Journal • Jun. 9, 2026
Analysts are looking for 34% 2027 earnings per share growth for the chip fund, in aggregate, to $24.71.
From Barron's • Jun. 8, 2026
Putting up all those new data centers requires plenty of what builders call aggregate, and what the rest of us call rocks that have been broken into smaller rocks.
From Barron's • Jun. 5, 2026
One of them is that to get into the S&P 500, a company has to have been profitable in its most recent quarter, as well as over the past year in the aggregate.
From Slate • Jun. 5, 2026
Go to Durham and see Negro business with an aggregate capital of millions....Among your New Year’s resolves, resolve to go to Durham!
From "The Best of Enemies" by Osha Gray Davidson
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.