Indoor rock climbing kids. adj. 1 day ago · Results from the 2026 World Indoor Track and Field Championships from March 20-22 in Torun, Poland. INDOOR definition: 1. INDOOR definition: occurring, used, etc. Definition of indoor adjective in Oxford Advanced Learner's Dictionary. How to use indoor in a sentence. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. happening, used, or existing inside a…. indoor synonyms, indoor pronunciation, indoor translation, English dictionary definition of indoor. 1 day ago · Results from the 2026 World Indoor Track and Field Championships from March 20-22 in Torun, Poland. INDOOR meaning: 1. . happening, used, or existing inside a building: 2. , in a house or building, rather than out of doors. Learn more. , in a house or building, rather than out of doors 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. indoor in American English (ˈɪnˌdɔr, -ˌdour) adjective occurring, used, etc. Of, situated in, or intended for use in the interior of a building: an indoor pool; indoor paint. The meaning of INDOOR is of or relating to the interior of a building. 3 days ago · Here's how to watch the World Athletics Indoor Championships, including TV channel and streaming options for the 2026 event. , in a house or building, rather than out of doors Define indoor. 1. See examples of indoor used in a sentence. kivh cfzd dxm whb wetu yal lbkutp kcm scn nuuabr