All 7 Uses of

approach
in
And Then There Were None

The loud drawn out scream of an approaching train was heard.
p. 22.9

approaching = getting nearer

He paid no attention to the approach of the searchers.
p. 124.1

approach = coming near

As a matter of fact I was approached by a little Jewboy-Morris his name was.
p. 142.6 *

approached = engaged in a delicate conversation

The four men emerged from Blore's room and approached Vera.
p. 207.3

approached = went to

He was chopping sticks for lighting the fire and did not hear me approach.
p. 294.6 *

approach = come near

I said that here we could see if any one else approached us, and we should not be seen from the house as the bedrooms faced the other way.
p. 296.3

approached = came near

Definitions:

(1) (approach as in: approached the city)
to get closer to (near in space, time, quantity, or quality)
(2) (approach as in: use the best approach)
a way of doing something; or a route that leads to a particular place
(3) (approach as in: approached her with the proposal)
to begin communication with someone about something -- often a proposal or a delicate topic
(4) (meaning too rare to warrant focus)
meaning too rare to warrant focus:

More rarely (and typically only in classic literature), the phrase nearest approach to as used in "her nearest approach to an apology" or "her nearest approach to a smile" typically means that "something is as close to something else as it ever gets." "As near an approach to" can have a similar meaning.