aggregate

UK: /ˈægrɪgət/

US: /adj., n. ˈægrɪgɪt, -ˌgeɪt; v. -ˌgeɪt/

US: (adj., n. ag′ri git, -gāt′; v. ag′ri gāt′)

Inflections of 'aggregate' (v): (⇒ conjugate)

aggregates

v 3rd person singular

aggregating

v pres p

aggregated

v past

aggregated

v past p

WordReference Random House Learner's Dictionary of American English © 2026

ag•gre•gate /adj., n. ˈægrɪgɪt, -ˌgeɪt; v. -ˌgeɪt/   adj., n., v., -gat•ed, -gat•ing. 
adj. [before a noun]

1. formed by joining or collecting into a whole mass or sum;
   combined:
   the aggregate amount.

n. [countable]

2. a sum, mass, or collection of individual items:
   an aggregate of some 500 points earned over 5 years.

v. 

3. to (cause to) come together into one mass or whole: [~ + object]
   Sociologists aggregated the data for several groups.
   [no object]
   The white blood cells aggregated in the wound to fight infection.

Idioms

4. Idioms in the aggregate, considered as a whole:
   Savings in the aggregate are on the upswing.

See -greg-.

WordReference Random House Unabridged Dictionary of American English © 2026

ag•gre•gate  (adj., n. ag′ri git, -gāt′;v. ag′ri gāt′), adj., n., v., -gat•ed, -gat•ing. 
adj. 

1. formed by the conjunction or collection of particulars into a whole mass or sum;
   total;
   combined:
   the aggregate amount of indebtedness.
2. [Bot.]
   • Botany (of a flower) formed of florets collected in a dense cluster but not cohering, as the daisy.
   • Botany (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.

n. 

4. a sum, mass, or assemblage of particulars;
   a total or gross amount:
   the aggregate of all past experience.
5. Geology a cluster of soil granules not larger than a small crumb.
6. Building any of various loose, particulate materials, as sand, gravel, or pebbles, added to a cementing agent to make concrete, plaster, etc.
7. Mathematics set (def. 110).
8. in the aggregate, taken or considered as a whole:
   In the aggregate, our losses have been relatively small.

v.t. 

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

v.i. 

11. to combine and form a collection or mass.

• Latin aggregātus (past participle of aggregāre), equivalent. to ag- ag- + greg- (stem of grex flock) + -ātus -ate¹
• late Middle English 1375–1425

ag•gre•ga•ble  (ag′ri gə bəl), adj.  ag′gre•gate•ly, adj. 
ag′gre•gate•ness, n. 
ag•gre•ga•to•ry  (ag′ri gə tôr′ē, -tōr′ē), adj.  Synonyms

• 1. added, complete, whole.
• 9. assemble, amass, accumulate, gather.

Collins Concise English Dictionary © HarperCollins Publishers::

aggregate 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. 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. in the aggregate ⇒ taken as a whole

verb / ˈæɡrɪˌɡeɪt/

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

Etymology: 16th Century: from Latin aggregāre to add to a flock or herd, attach (oneself) to, from grex flock

aggregative / ˈæɡrɪˌɡeɪtɪv/ adjective

ˈaggreˌgatively adverb