at or near or toward the stern of a ship or tail of an airplane; "stow the luggage aft"; "ships with square sails sail fairly efficiently with the wind abaft"; "the captain looked astern to see what the fuss was about"
to the greatest distance in space or time (`farthest' is used more often than `furthest' in this physical sense); "see who could jump the farthest"; "chose the farthest seat from the door"; "he swam the furthest"