Within a certain space; esp. inside a building or other enclosed place.

In (or into) the house or dwelling, indoors: = in, adv. 8; also, in the inner part of the house, in an inner chamber; Theatre (esp. in…

In (or to) the inner part or interior (of): = inside, adv. 2, within, adv. 1 (in part), 1b, 1d. Also, indoors: = within, adv. 2b.

In an inward direction; closer or further in towards the centre or interior of a house, farm, mine, etc.