The Collaborative International Dictionary of English v.0.48:

Unread \Unread\
   See read.

The Collaborative International Dictionary of English v.0.48:

Unread \Un*read"\, a.
   1. Not read or perused; as, an unread book. --Hooker.
      [1913 Webster]

   2. Not versed in literature; illiterate. --Dryden.
      [1913 Webster]

WordNet (r) 3.0 (2006):

unread
    adj 1: not informed through reading; "he seems to have been
           wholly unread in political theory"- V.L.Parrington

Moby Thesaurus II by Grady Ward, 1.0:

40 Moby Thesaurus words for "unread":
   Gothic, Philistine, barbarous, bookless, deceived,
   functionally illiterate, grammarless, heathen, hoodwinked,
   ill-educated, illiterate, led astray, lowbrow, misinformed,
   misinstructed, mistaught, nonintellectual, pagan, rude, unbooked,
   unbookish, unbooklearned, unbriefed, uncultivated, uncultured,
   unedified, uneducated, unerudite, unguided, uninstructed,
   unintellectual, unlearned, unlettered, unliterary, unrefined,
   unscholarly, unschooled, unstudious, untaught, untutored