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
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.
Removing Southampton from the play-offs would most likely be achieved by giving Boro a default 3-0 win for the first leg, and therefore a 4-2 aggregate victory.
From BBC • May 19, 2026
In aggregate, retailers in the S&P 500 have expanded margins over the past few years, even during stretches of high inflation.
From The Wall Street Journal • May 18, 2026
“If you can make things quicker, and you can make things at a price point that studios will say ‘yes,’ you can employ more people in aggregate and create jobs.”
From Los Angeles Times • May 13, 2026
Los Blancos' Champions League run ended with a 6-4 aggregate defeat by German champions Bayern Munich in the quarter-finals.
From BBC • May 12, 2026
The Americas, despite their large aggregate area, were fragmented by geography and ecology and functioned effectively as several poorly connected smaller continents.
From "Guns, Germs, and Steel: The Fates of Human Societies" by Jared M. Diamond
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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.