Source : Webster's Revised Unabridged Dictionary (1913)

Melancholic \Mel"an*chol`ic\, a. [L. melancholicus, Gr. ?: cf.
   F. m['e]lancholique.]
   Given to melancholy; depressed; melancholy; dejected;
   unhappy.

         Just as the melancholic eye Sees fleets and armies in
         the sky.                                 --Prior.

Melancholic \Mel"an*chol`ic\, n. [Obs.]
   1. One affected with a gloomy state of mind. --J. Spenser.

   2. A gloomy state of mind; melancholy. --Clarendon.

Source : WordNet®

melancholic
     adj : characterized by or causing or expressing sadness; "growing
           more melancholy every hour"; "her melancholic smile";
           "we acquainted him with the melancholy truth" [syn: {melancholy}]
     n : someone subject to melancholia [syn: {melancholiac}]