STACK Meaning of STACK in English I. noun Synonyms: pile 1, bank, ||bing, cock, drift, heap, hill, mass, mound, pyramidII. verb Synonyms: heap 1, bank, cock, drift, hill, mound, pile Merriam Webster. Collegiate thesaurus English vocabulary. Английский энциклопедический словарь тезаурус. 2003