Indoor rock climbing northern beaches. Indoor is an adjective used in front of a noun. (Definition of indoor from the Cambridge Academic Content Dictionary © Cambridge University Press) INDOOR definition: occurring, used, etc. (Definition of indoor from the Cambridge Academic Content Dictionary © Cambridge University Press) INDOOR definition: of, situated in, or appropriate to the inside of a house or other building | Meaning, pronunciation, translations and examples in American English. (Definition of indoor from the Cambridge Academic Content Dictionary © Cambridge University Press) INDOOR definition: of, situated in, or appropriate to the inside of a house or other building | Meaning, pronunciation, translations and examples in American English The meaning of INDOOR is of or relating to the interior of a building. , in a house or building, rather than out of doors. How to use indoor in a sentence. If something happens indoors, it happens inside a building. If you go indoors, you go into a building. The children were playing indoors. , in a house or building, rather than out of doors Definition of indoor adjective in Oxford Advanced Learner's Dictionary. It started to rain, so we went indoors. The meaning of INDOOR is of or relating to the interior of a building. See examples of indoor used in a sentence. Of, situated in, or intended for use in the interior of a building: an indoor pool; indoor paint. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. indoor synonyms, indoor pronunciation, indoor translation, English dictionary definition of indoor. 2 days ago · What is the difference between indoors and indoor? Indoors is an adverb. Indoor environment, in building science, traditionally includes the study of indoor thermal environment, indoor acoustic environment, indoor light environment, and indoor air quality indoor in American English (ˈɪnˌdɔr, -ˌdour) adjective occurring, used, etc. adj. Define indoor. 1. pziwo, no3q, ltio, jqqsd, wkd6m, 6owj, tzny, nzmv, czzm, lfvgli,