untaught

from WordNet (r) 3.0 (2006)

untaught
    adj 1: lacking in schooling; "untaught people whose verbal
           skills are grossly deficient"; "an untutored genius";
           "uneducated children" [syn: {unschooled}, {untaught},
           {untutored}]

from The Collaborative International Dictionary of English v.0.48

Untaught \Untaught\
   See {taught}.

from Moby Thesaurus II by Grady Ward, 1.0

59 Moby Thesaurus words for "untaught":
      Gothic, Philistine, amateurish, barbarous, benighted, bookless,
      deceived, empty-headed, functionally illiterate, grammarless,
      heathen, hoodwinked, ill-educated, illiterate, know-nothing,
      led astray, lowbrow, misinformed, misinstructed, mistaught,
      nonintellectual, pagan, rude, semiskilled, unaccomplished,
      unbooked, unbookish, unbooklearned, unbriefed, unbusinesslike,
      uncoached, uncultivated, uncultured, unedified, uneducated,
      unendowed, unerudite, unfinished, ungifted, unguided, uninitiated,
      uninstructed, unintellectual, unlearned, unlettered, unliterary,
      unpolished, unprepared, unprimed, unprofessional, unread,
      unrefined, unscholarly, unschooled, unskilled, unstudious,
      untalented, untrained, untutored