[ verb kyoo-myuh-leyt; adjective kyoo-myuh-lit, -leyt ]
/ verb ˈkyu myəˌleɪt; adjective ˈkyu myə lɪt, -ˌleɪt /

verb (used with object), cu·mu·lat·ed, cu·mu·lat·ing.

to heap up; amass; accumulate.


heaped up.

Nearby words

  1. cummings,
  2. cummings, e. e.,
  3. cummingtonite,
  4. cumquat,
  5. cumshaw,
  6. cumulation,
  7. cumulative,
  8. cumulative distribution function,
  9. cumulative effect,
  10. cumulative evidence

Origin of cumulate

1525–35; < Latin cumulātus (past participle of cumulāre to heap up, pile up, accumulate), equivalent to cumul(us) a heap, pile, mass, cumulus + -ātus -ate1

Related formscu·mu·late·ly, adverbde·cu·mu·late, verb (used with object), de·cu·mu·lat·ed, de·cu·mu·lat·ing. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for cumulate

  • Sir Charles labored only to heap up the evidences of evolution; to cumulate them till the mass became irresistible.

  • When electors are allowed to cumulate on individual candidates, the favourites of sections within the party will be elected.

    Proportional Representation Applied To Party Government|T. R. Ashworth and H. P. C. Ashworth
  • When Ah starts makin' up de berths you kin sweep out de cah an' 'cumulate de sheets an' pillow cases.

    Lady Luck|Hugh Wiley
  • Oh, it was in the agreement that the intrest should stay and cumulate, he called it.

    Fighting the Sea|Edward A. Rand

British Dictionary definitions for cumulate


verb (ˈkjuːmjʊˌleɪt)

to accumulate
(tr) to combine (two or more sequences) into one

adjective (ˈkjuːmjʊlɪt, -ˌleɪt)

heaped up
Derived Formscumulately, adverbcumulation, noun

Word Origin for cumulate

C16: from Latin cumulāre from cumulus heap

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for cumulate



1530s, from Latin cumulatus "heaped, increased, augmented," past participle of cumulare "to heap," from cumulus "mound, heap" (see cumulus). Related: Cumulated; cumulating.

Online Etymology Dictionary, © 2010 Douglas Harper