The Collaborative International Dictionary of English v.0.48:

blindfolded \blind"fold*ed\ adj.
   having a blindfold placed over the eyes; -- done to prevent
   the wearer from seeing.

   Syn: blindfold.
        [WordNet 1.5 +PJC]

The Collaborative International Dictionary of English v.0.48:

Blindfold \Blind"fold`\, v. t. [imp. & p. p. Blindfolded; p.
   pr. & vb. n. Blindfolding.] [OE. blindfolden, blindfelden,
   blindfellen; AS. blind blind + prob. fellan, fyllan, to fell,
   strike down.]
   To cover the eyes of, as with a bandage; to hinder from
   seeing.
   [1913 Webster]

         And when they had blindfolded him, they struck him on
         the face.                                --Luke xxii.
                                                  64.
   [1913 Webster]

WordNet (r) 3.0 (2006):

blindfolded
    adj 1: wearing a blindfold [syn: blindfold, blindfolded]

Moby Thesaurus II by Grady Ward, 1.0:

25 Moby Thesaurus words for "blindfolded":
   bedazzled, blind, blindfold, darkened, dazed, dazzled, dim-sighted,
   excecate, hoodwinked, imperceptive, impercipient, insensible,
   mind-blind, myopic, nearsighted, nonunderstanding, obscured,
   purblind, shortsighted, snow-blind, snow-blinded, unapprehending,
   uncomprehending, undiscerning, unperceptive