Definition of ACCUMULATE

to become greater in extent, volume, amount, or number <the number of complaints about that mail order firm is really accumulating>
to bring together in one body or place <finally accumulated enough donated books to hold a book sale>
to gradually form into a layer, pile, or mass <clouds accumulating on the western horizon>
Related Words agglutinate, clump, lump; bank, drift, ridge
Near Antonyms disperse, dissipate, scatter

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