As they drifted down the crowded pavements, not quite abreast and never looking at one another, they carried on a curious, intermittent conversation which flicked on and off like the beams of a lighthouse, suddenly nipped into silence by the approach of a Party uniform or the proximity of a telescreen, then taken up again minutes later in the middle of a sentence, then abruptly cut short as they parted at the agreed spot, then continued almost without introduction on the following day.
There are no more uses of "proximity" in the book.
Show samples from other sources
They selected the offices for their proximity to D.C. political power.
We like the neighborhood because of its proximity to the University.