1. formed by the conjunction or collection of particulars into a whole mass or sum; total; combined: the aggregate amount of indebtedness.
  2. Botany.
    1. (of a flower) formed of florets collected in a dense cluster but not cohering, as the daisy.
    2. (of a fruit) composed of a cluster of carpels belonging to the same flower, as the raspberry.
  3. Geology. (of a rock) consisting of a mixture of minerals separable by mechanical means.


  1. a sum, mass, or assemblage of particulars; a total or gross amount: the aggregate of all past experience.
  2. a cluster of soil granules not larger than a small crumb.
  3. any of various loose, particulate materials, as sand, gravel, or pebbles, added to a cementing agent to make concrete, plaster, etc.
  4. Mathematics. set(def 92).

verb (used with object), ag·gre·gat·ed, ag·gre·gat·ing.

  1. to bring together; collect into one sum, mass, or body.
  2. to amount to (the number of): The guns captured will aggregate five or six hundred.

verb (used without object), ag·gre·gat·ed, ag·gre·gat·ing.

  1. to combine and form a collection or mass.

  1. in the aggregate, taken or considered as a whole: In the aggregate, our losses have been relatively small.

adjective (ˈæɡrɪɡɪt, -ˌɡeɪt)

  1. formed of separate units collected into a whole; collective; corporate
  2. (of fruits and flowers) composed of a dense cluster of carpels or florets

noun (ˈæɡrɪɡɪt, -ˌɡeɪt)

  1. a sum or assemblage of many separate units; sum total
  2. geology a rock, such as granite, consisting of a mixture of minerals
  3. the sand and stone mixed with cement and water to make concrete
  4. a group of closely related biotypes produced by apomixis, such as brambles, which are the Rubus fruticosus aggregate
  5. in the aggregate taken as a whole

verb (ˈæɡrɪˌɡeɪt)

  1. to combine or be combined into a body, etc
  2. (tr) to amount to (a number)

c.1400, from Latin aggregatum, neuter past participle of aggregare (see aggregate (adj.)). Related: Aggregated; aggregating.


“number of persons, things, etc., regarded as a unit,” early 15c., from noun use of Latin adjective aggregatum, neuter of aggregatus (see aggregate (adj.)).


c.1400, from Latin aggregatus “associated,” literally “united in a flock,” past participle of aggregare “add to (a flock), lead to a flock, bring together (in a flock),” from ad- “to” (see ad-) + gregare “herd” (see gregarious).


  1. Crowded or massed into a dense cluster.


  1. A total considered with reference to its constituent parts; a gross amount in a mass or cluster.


  1. To gather into a mass, sum, or whole.
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