Definitions for "Indirect lighting"
light that reflects off one or more rough surfaces resulting in few or soft shadows. Indirect lighting is sometimes called soft lighting or diffuse.
Lighting that directs all or most light upward for ambient or general illumination; comfortable illumination with few shadows. Typical fixtures include uplight cans, fluorescent lighting aimed up, track lights aimed up and torchieres.
Lighting by means of reflecting the light of the ceiling, wall, or other reflector, in order to soften glare.