/ Thesaurus / F Synonyms of from way back Find synonyms for: Adverb1. from way back, since a long time agousage: since long ago; "she knows him from way back"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language