/ Thesaurus / A Synonyms of auxiliary storage Find synonyms for: Noun1. auxiliary storage, external storage, secondary storage, memory device, storage deviceusage: a data storage device that is not the main memory of a computerWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: denizen Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language