Source : Webster's Revised Unabridged Dictionary (1913)

Far-off \Far"-off`\, a.
   Remote; as, the far-off distance. Cf. {Far-off}, under {Far},
   adv.

Source : WordNet®

far-off
     adj : very far away in space or time; "faraway mountains"; "the
           faraway future"; "troops landing on far-off shores";
           "far-off happier times" [syn: {faraway}]