Inside, into, or within a building.

The interior of a building; the space inside buildings generally.

The characteristic of being indoors, or of tending to stay indoors, especially when considered undesirable.

Situated in, or designed to be used in, or carried on within, the interior of a building.

Alternative form of indoor voice

(Britain, slang) one's wife, especially a domineering one

(UK, slang) A person's wife.

plural of indoors voice

plural of indoor plant

(horticulture) Any of various species of plants, typically native to rainforest floors and thus requiring low light, that are commonly cultivated for decorative use indoors.