The Collaborative International Dictionary of English v.0.48:

Scrawl \Scrawl\ (skr[add]l), n.
   Unskillful or inelegant writing; that which is unskillfully
   or inelegantly written.
   [1913 Webster]

         The left hand will make such a scrawl, that it will not
         be legible.                              --Arbuthnot.
   [1913 Webster]

         You bid me write no more than a scrawl to you. --Gray.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Scrawl \Scrawl\, v. i.
   See Crawl. [Obs.] --Latimer.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Scrawl \Scrawl\, v. t. [imp. & p. p. Scrawled; p. pr. & vb. n.
   Scrawling.] [Probably corrupted from scrabble.]
   To draw or mark awkwardly and irregularly; to write hastily
   and carelessly; to scratch; to scribble; as, to scrawl a
   letter.
   [1913 Webster]

         His name, scrawled by himself.           --Macaulay.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Scrawl \Scrawl\, v. i.
   To write unskillfully and inelegantly.
   [1913 Webster]

         Though with a golden pen you scrawl.     --Swift.
   [1913 Webster]

WordNet (r) 3.0 (2006):

scrawl
    n 1: poor handwriting [syn: scribble, scratch, scrawl,
         cacography]
    v 1: write carelessly [syn: scribble, scrawl]

Moby Thesaurus II by Grady Ward, 1.0:

18 Moby Thesaurus words for "scrawl":
   barbouillage, doodle, hen scratches, hen tracks, illegibility,
   indecipherability, inscribe, pattes de mouche, pothookery,
   pothooks, pothooks and hangers, scrabble, scratch, scribble,
   scribbling, squiggle, undecipherability, unreadability