Source : Webster's Revised Unabridged Dictionary (1913)

Screaming \Scream"ing\, a.
   1. Uttering screams; shrieking.

   2. Having the nature of a scream; like a scream; shrill;
      sharp.

            The fearful matrons raise a screaming cry. --Dryden.

Scream \Scream\, v. i. [imp. & p. p. {Screamed}; p. pr. & vb. n.
   {Screaming}.] [Icel. skr[ae]ma to scare, terrify; akin to Sw.
   skr["a]ma, Dan. skr[ae]mme. Cf. {Screech}.]
   To cry out with a shrill voice; to utter a sudden, sharp
   outcry, or shrill, loud cry, as in fright or extreme pain; to
   shriek; to screech.

         I heard the owl scream and the crickets cry. --Shak.

         And scream thyself as none e'er screamed before.
                                                  --Pope.

Source : WordNet®

screaming
     adj 1: loud and sustained; shrill and piercing; "hordes of
            screaming fans"; "a screaming jet plane"; "a screaming
            fury of sound"; "a screeching parrot"; "screeching
            brakes"; "a horde of shrieking fans"; "shrieking
            winds" [syn: {screaming(a)}, {screeching(a)}, {shrieking(a)}]
     2: so extremely intense as to evoke screams; "in screaming
        agony"; "a screaming rage" [syn: {screaming(a)}]
     3: resembling a scream in effect; "screaming headlines";
        "screaming colors and designs" [syn: {screaming(a)}]
     4: marked by or causing boisterous merriment or convulsive
        laughter; "hilarious broad comedy"; "a screaming farce";
        "uproarious stories" [syn: {hilarious}, {screaming(a)}, {uproarious}]

screaming
     n 1: sharp piercing cry; "her screaming attracted the neighbors"
          [syn: {scream}, {shriek}, {shrieking}, {screech}, {screeching}]
     2: a high-pitched noise resembling a human cry; "he ducked at
        the screechings of shells"; "he heard the scream of the
        brakes" [syn: {screech}, {screeching}, {shriek}, {shrieking},
         {scream}]