[ uh-kyoo-myuh-leyt ]
/ əˈkyu myəˌleɪt /

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

to gather or collect, often in gradual degrees; heap up: to accumulate wealth.

verb (used without object), ac·cu·mu·lat·ed, ac·cu·mu·lat·ing.

to gather into a heap, mass, cover, etc.; form a steadily increasing quantity: Snow accumulated in the driveway. His debts kept on accumulating.

Nearby words

  1. acculturation,
  2. acculturationist,
  3. acculturize,
  4. accum.,
  5. accumbent,
  6. accumulated,
  7. accumulation,
  8. accumulation point,
  9. accumulative,
  10. accumulator

Origin of accumulate

1520–30; < Latin accumulātus heaped up (past participle of accumulāre), equivalent to ac- ac- + cumul(us) heap + -ātus -ate1

Related forms Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for accumulated

British Dictionary definitions for accumulated


/ (əˈkjuːmjʊˌleɪt) /


to gather or become gathered together in an increasing quantity; amass; collect
Derived Formsaccumulable, adjectiveaccumulative, adjectiveaccumulatively, adverbaccumulativeness, noun

Word Origin for accumulate

C16: from Latin accumulātus, past participle of accumulāre to heap up, from cumulus a 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 accumulated
Online Etymology Dictionary, © 2010 Douglas Harper