- in addition or furthermore
"if we further suppose"
"stated further that he would not cooperate with them"
- to or at a greater extent or degree or a more advanced stage (`further' is used more often than `farther' in this abstract sense)
"further complicated by uncertainty about the future"
"let's not discuss it further"
- to or at a greater distance in time or space (`farther' is used more frequently than `further' in this physical sense)
"went only three miles further"
"further in the future"