Synonyms for stacks Found 14 synonyms across 1 meaning for “stacks”. a large number or amount (noun) tonsdozensheapslotspilesscoresloadsraftsslewswadsoodlesgobsscadslashings Explore Related Words Rhymes with stacksSynonyms for tonsSynonyms for dozensSynonyms for heapsSynonyms for lotsSynonyms for piles Synonym Finder | Rhyme Finder | Poetry Editor