the fact of being near to somebody/something in space or time

the fact of knowing somebody/something very well and liking them very much

Jefferson always felt a closeness to the land and to a rural way of life.

the fact of being very involved in the work or activities of somebody else, usually seeing and talking to them regularly

The closeness of these working relationships may result in difficult situations for nurses.

the fact of being won or likely to be won by only a small amount or distance

All the emphasis on the closeness of the election may encourage more people to vote.

LEARNit Dictionary