- The definition of accumulate means to gather together over time.
An example of accumulate would be the amount of snow on the ground building up during a winter storm.
A storm has caused snow to accumulate on the sidewalk.
accumulate definition by Webster's New World
- accumulable adjective
accumulate definition by American Heritage Dictionary
verb ac·cu·mu·lat·ed, ac·cu·mu·lat·ing, ac·cu·mu·lates verb, transitive
Origin: Latin accumulāre, accumulāt- : ad-, ad- + cumulāre, to pile up (from cumulus, heap; see keuə- in Indo-European roots).
- ac·cuˈmu·la·ble adjective