Example: "Had traveled to the farthest frontier"
Distant; remote in space.
Example: "He went to a far land."
Remote in time.
Example: "The far future"
Long.
More remote of two.
Example: "He moved to the far end of the state. she remained at this end."
Extreme, as measured from some central or neutral position.
Example: "They are on the far right on this issue."
Extreme, as a difference in nature or quality.
Outside the currently selected segment in a segmented memory architecture.
Example: "Far heap; far memory; far pointer"