Confused Adjectives

Farther and Further

Rule: Further denotes both greater distance and to a greater degree; Farther is used only for distances.

Incorrect Usage: (a) We are not going to tolerate his behavior farther.

                                (b) They could not walk further.

Correct Usage: (a) We are not going to tolerate his behavior further.

                             (b) They could not walk farther.