Breadcrumb Home > Thesaurus > I Cite Synonyms of indoor Find synonyms for: Adjective1. indoor(prenominal) (vs. outdoor), interiorusage: located, suited for, or taking place within a building; "indoor activities for a rainy day"; "an indoor pool"2. indoor, interior (vs. exterior)usage: within doors; "an indoor setting"WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.Definition and meaning of indoor (Dictionary) TrendingHere are the facts and trivia that people are buzzing about. February 2021 Current Events: US News The Berlin Conference and the Partition of Africa The Implied Powers of Congress Noble Titles and Ranks in a Monarchy Keeping Your Brain Active in a COVID-19 World The Manchu Related Content Daily Word Quiz: nosegay Analogy of the Day: Today?s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language