Adverb

1. To or at a greater extent or degree or a more advanced stage (`further' is used more often than `farther' in this abstract sense)
2. To or at a greater distance in time or space (`farther' is used more frequently than `further' in this physical sense)
3. To a considerable degree; very much
4. At or to or from a great distance in space
5. At or to a certain point or degree
6. Remote in time
7. To an advanced stage or point