ADJECTIVE (3)

1. being or dressed in clothes that are worn or torn;
- Example: "clothes as ragged as a scarecrow's"
- Example: "a ragged tramp"

2. worn out from stress or strain;
- Example: "run ragged"

3. having an irregular outline;
- Example: "text set with ragged right margins"
- Example: "herded the class into a ragged line"

The Collaborative International Dictionary of English v.0.48:

Rag \Rag\ (r[a^]g), v. i. [imp. & p. p. Ragged (r[a^]gd); p.
   pr. & vb. n. Ragging (r[a^]g"g[i^]ng).]
   To become tattered. [Obs.]
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Ragged \Rag"ged\ (r[a^]g"g[e^]d), a. [From Rag, n.]
   1. Rent or worn into tatters, or till the texture is broken;
      as, a ragged coat; a ragged sail.
      [1913 Webster]

   2. Broken with rough edges; having jags; uneven; rough;
      jagged; as, ragged rocks.
      [1913 Webster]

   3. Hence, harsh and disagreeable to the ear; dissonant. [R.]
      "A ragged noise of mirth." --Herbert.
      [1913 Webster]

   4. Wearing tattered clothes; as, a ragged fellow.
      [1913 Webster]

   5. Rough; shaggy; rugged.
      [1913 Webster]

            What shepherd owns those ragged sheep? --Dryden.
      [1913 Webster]

   Ragged lady (Bot.), the fennel flower (Nigella
      Damascena).

   Ragged robin (Bot.), a plant of the genus Lychnis
      (Lychnis Flos-cuculi), cultivated for its handsome
      flowers, which have the petals cut into narrow lobes.

   Ragged sailor (Bot.), prince's feather (Polygonum
      orientale).

   Ragged school, a free school for poor children, where they
      are taught and in part fed; -- a name given at first
      because they came in their common clothing. [Eng.]
      [1913 Webster] -- Rag"ged*ly, adv. -- Rag"ged*ness, n.
      [1913 Webster] Raggie

WordNet (r) 3.0 (2006):

ragged
    adj 1: being or dressed in clothes that are worn or torn;
           "clothes as ragged as a scarecrow's"; "a ragged tramp"
    2: worn out from stress or strain; "run ragged"
    3: having an irregular outline; "text set with ragged right
       margins"; "herded the class into a ragged line"