(comparative of far)at or to a greater distance in space or timefarther north/southfarther along the roadI can't go any farther.As a family we grew farther and farther apart.We watched their ship moving gradually farther away.How much farther is it?They hadn't got any farther with the work (= they had made no progress).Which Word?farther / further / farthest / furthest These are the comparative and superlative forms of far. To talk about distance, use either farther, farthest or further, furthest. In British English, further, furthest are the most common forms and in North American English, further and farthest:I have to travel further/farther to work now. To talk about the degree or extent of something, further/furthest are usually preferred:Let’s consider this point further.Further, but not farther, can also mean ‘more’ or ‘additional’:Are there any further questions? This sounds very formal in North American English.