Breadcrumb Home > Thesaurus > I Synonyms of infrastructure Find synonyms for: Noun 1. infrastructure, substructure, structure usage: the basic structure or features of a system or organization 2. infrastructure, base, store, stock, fund usage: the stock of basic facilities and capital equipment needed for the functioning of a country or area; "the industrial base of Japan" WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of infrastructure (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. Jewish Holidays, 2010-2030 (A.M. 5770-5791) Western Christian Holidays, 2010-2030 12 Steps to a New Year New Year's Resolution to Slim Down? Martin Luther King Speeches Books of the Bible: Old Testament Books in Order ✖ Related Content Daily Word Quiz: cognoscenti Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language