Source : Webster's Revised Unabridged Dictionary (1913)

Avid \Av"id\, a. [L. avidus, fr. av?re to long: cf. F. avide.
   See {Avarice}.]
   Longing eagerly for; eager; greedy. ``Avid of gold, yet
   greedier of renown.'' --Southey.

Source : WordNet®

avid
     adj 1: (often followed by `for') ardently or excessively desirous;
            "avid for adventure"; "an avid ambition to succeed";
            "fierce devouring affection"; "the esurient eyes of an
            avid curiosity"; "greedy for fame" [syn: {devouring(a)},
             {esurient}, {greedy}]
     2: marked by active interest and enthusiasm; "an avid sports
        fan"; "a great walker"; "an eager beaver" [syn: {great}, {eager},
         {zealous}]