The Collaborative International Dictionary of English v.0.48:

Bedraggle \Be*drag"gle\, v. t. [imp. & p. p. Bedraggled; p.
   pr. & vb. n. Bedraggling.]
   To draggle; to soil, as garments which, in walking, are
   suffered to drag in dust, mud, etc. --Swift.
   [1913 Webster]

WordNet (r) 3.0 (2006):

bedraggle
    v 1: make wet and dirty, as from rain [syn: bedraggle,
         draggle]