The comparative of far may be further or farther.
Further is an adverb.More completely, it is the comparative of the adverb far. Examples:Did you walk far? [far is an adverb]We walked further than ever before. [further (or farther) is the comparative of far]
Both farther and further are comparative forms of far. Farther is only used of distance; further can be used in any context.
The comparative degree of "far" is "farther" when referring to physical distance or "further" when referring to metaphorical distance or degree.
Far has got two comparative forms: farther or further. As you can see far is an irregular adjective.
farther or further
Further is an adverb.More completely, it is the comparative of the adverb far. Examples:Did you walk far? [far is an adverb]We walked further than ever before. [further (or farther) is the comparative of far]
The comparative form of far is farther or further. Farther relates to physical distance. Further relates to everything else (time, amount etc.)
The comparative form is farther or further. The superlative is the farthest or thefurthest.
Further and furthest.
The comparative of "fore" is "further."
The comparative form of "far" is "farther" or "further," depending on the context. "Farther" is typically used for physical distance comparisons, while "further" can refer to metaphorical or figurative distances.
"Further" is one comparative of far. Its superlative is furthest. Traditionally, farther and farthest were used in referring to physical distance: the falls were still two or three miles farther up the path. Further and furthest were restricted to figurative or abstract senses: we decided to consider the matter further.