to or at a greater distance in time or space (`farther' is used more frequently than `further' in this physical sense) | to or at a greater distance in time or space (`farther' is used more frequently than `further' in this physical sense) |
to or at a greater extent or degree or a more advanced stage (`further' is used more often than `farther' in this abstract sense) | to or at a greater extent or degree or a more advanced stage (`further' is used more often than `farther' in this abstract sense) |
in addition or furthermore | |