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English definition of “indoor”

indoor

adjective [not gradable]    /ˈɪnˌdɔr, -ˌdoʊr/
happening, used, or being inside a building: indoor sports indoor plumbing an indoor swimming pool indoors    /ˌɪnˈdɔrz, -ˈdoʊrz/ adverb [not gradable] Come indoors, it’s cold outside.
(Definition of indoor adjective from the Cambridge Academic Content Dictionary © Cambridge University Press)
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