/ Thesaurus / D Synonyms of ddi Find synonyms for: Noun1. dideoxyinosine, ddI, DDI, didanosine, antiviral, antiviral agent, antiviral drugusage: an antiviral drug used to combat HIV infectionWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language