Source : Webster's Revised Unabridged Dictionary (1913)

Further \Fur"ther\, a. compar. [Positive wanting; superl.
   {Furthest}.]
   1. More remote; at a greater distance; more in advance;
      farther; as, the further end of the field. See {Farther}.

   2. Beyond; additional; as, a further reason for this opinion;
      nothing further to suggest.

   Note: The forms further and farther are in general not
         differentiated by writers, but further is preferred by
         many when application to quantity or degree is implied.

Further \Fur"ther"\, v. t. [imp. & p. p. {Furthered}; p. pr. &
   vb. n. {Furthering}.] [OE. furthren, forthren, AS.
   fyr[eth]ran, fyr[eth]rian. See {Further}, adv.]
   To help forward; to promote; to advance; to forward; to help
   or assist.

         This binds thee, then, to further my design. --Dryden.

         I should nothing further the weal public. --Robynsom
                                                  (More's
                                                  Utopia).

Further \Fur"ther\, adv. [A comparative of forth; OE. further,
   forther, AS. fur?or, far?ur; akin to G. f["u]rder. See
   {Forth}, adv.]
   To a greater distance; in addition; moreover. See {Farther}.

         Carries us, I know not how much further, into familiar
         company.                                 --M. Arnold.

         They sdvanced us far as Eleusis and Thria; but no
         further.                                 --Jowett
                                                  (Thucyd. ).

   {Further off}, not so near; apart by a greater distance.

Source : WordNet®

further
     See {far}

far
     adj 1: at a great distance in time or space or degree; "we come
            from a far country"; "far corners of the earth"; "the
            far future"; "a far journey"; "the far side of the
            road"; "far from the truth"; "far in the future" [ant:
             {near}]
     2: being of a considerable distance or length; "a far trek"
     3: being the animal or vehicle on the right or being on the
        right side of an animal or vehicle; "the horse on the
        right is the far horse"; "the right side is the far side
        of the horse"
     4: beyond a norm in opinion or actions; "the far right"
     [also: {further}, {farther}]

far
     adv 1: to a considerable degree; very much; "a far far better thing
            that I do"; "felt far worse than yesterday"; "eyes far
            too close together"
     2: at or to or from a great distance in space; "he traveled
        far"; "strayed far from home"; "sat far away from each
        other"
     3: at or to a certain point or degree; "I can only go so far
        before I have to give up"; "how far can we get with this
        kind of argument?"
     4: remote in time; "if we could see far into the future"; "all
        that happened far in the past"
     5: to an advanced stage or point; "a young man who will go very
        far"
     [also: {further}, {farther}]

further
     adv 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); "further complicated by uncertainty
            about the future"; "let's not discuss it further";
            "nothing could be further from the truth"; "they are
            further along in their research than we expected";
            "the application of the law was extended farther"; "he
            is going no farther in his studies" [syn: {farther}]
     2: in addition or furthermore; "if we further suppose"; "stated
        further that he would not cooperate with them"; "they are
        definitely coming; further, they should be here already"
     3: to or at a greater distance in time or space (`farther' is
        used more frequently than `further' in this physical
        sense); "farther north"; "moved farther away"; "farther
        down the corridor"; "the practice may go back still
        farther to the Druids"; "went only three miles further";
        "further in the future" [syn: {farther}]
     v 1: promote the growth of; "Foster our children's well-being and
          education" [syn: {foster}]
     2: contribute to the progress or growth of; "I am promoting the
        use of computers in the classroom" [syn: {promote}, {advance},
         {boost}, {encourage}]

further
     adj 1: existing or coming by way of addition; "an additional
            problem"; "further information"; "there will be
            further delays"; "took more time" [syn: {additional},
            {further(a)}, {more(a)}]
     2: more distant in especially degree; "nothing could be further
        from the truth"; "further from our expectations"; "farther
        from the truth"; "farther from our expectations" [syn: {farther}]