- Indoors climbing. The outdoor market opens in late spring. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. Aug 26, 2023 · Indoor is an adjective and indoors is an adverb. Mar 29, 2024 · "Indoor" is an adjective describing activities or things located inside a building, while "indoors" is an adverb describing the action of being or moving inside a building. Indoors definition: in or into a house or building. . 4 days ago · Indoors is an adverb. Exercise, whether indoors or out, boosts serotonin levels -- the brain hormone associated with improved mood, the absence of which is related to depression. 'indoors' Indoors is an adverb. If something happens indoors, it happens inside a building. 9orr zkum wuwa o9yebto gbcqi ocwgz wkws el67 nxai6nao sm20