/ Thesaurus / I Synonyms of immunodeficient Find synonyms for: Adjective1. immunodeficient (vs. immunocompetent)usage: incapable of developing an immune response following exposure to an antigen; "immunodeficient rodents"WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: penury Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language