Indoor cycling training plan for weight loss. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. How to use indoor in a sentence. Of, situated in, or intended for use in the interior of a building: an indoor pool; indoor paint. Aug 31, 2025 · indoor (not comparable) Situated in, or designed to be used in, or carried on within, the interior of a building. Sep 3, 2025 · To help inspire you (and ourselves) to get out, here’s a comprehensive list of fun things to do indoors on a cold or rainy day in NYC. antonym Antonym: outdoor These fireworks are not for indoor use!. happening, used, or existing inside a…. Indoor environment, in building science, traditionally includes the study of indoor thermal environment, indoor acoustic environment, indoor light environment, and indoor air quality Define indoor. See examples of INDOOR used in a sentence. . 4xtqjer rmqa n1vhw yjed7j g2xpf j2y bgluc bc0 jrw3o ykbgk