Breadcrumb Home > Thesaurus > I Synonyms of immunodeficiency Find synonyms for: Noun 1. immunodeficiency, immunological disorder usage: immunological disorder in which some part of the body's immune system is inadequate and resistance to infectious diseases is reduced WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of immunodeficiency (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Hanukkah Origins of the Christmas Holiday Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 Krampus: The Christmas Devil Kwanzaa ✖ Related Content Daily Word Quiz: jactation Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language