3. (verb)roll up, collect, accumulate, pile up, amass, compile, hoard get or gather together Synonyms: heap up, call for, furl, lay away, hoard, stash, cache, amass, gather up, bundle up, wrap up, hive up, squirrel away, compose, roll up, take in, pull in, gather, roll, pick up, conglomerate, pile up, bundle, stack up, collect, pull together, accumulate, compile, cumulate, garner
Synonyms, Thesaurus & Antonyms of 'pile up'
English Synonyms and Antonyms
1. pile up To amass is to bring together materials that make a mass, a great bulk or quantity. With some occasional exceptions, accumulate is applied to the more gradual, amass to the more rapid gathering Synonyms: amass, accumulate, collect, heap up, hoard up, store up, aggregate, gather, hoard, pile up Antonyms: disperse, divide, portion, spend, waste, dissipate, parcel, scatter, squander
Synonyms for pile up 
