untilled

from WordNet (r) 3.0 (2006)

untilled
    adj 1: not plowed or harrowed or hoed; "untilled land"

from The Collaborative International Dictionary of English v.0.48

Untilled \Untilled\
   See {tilled}.

from Moby Thesaurus II by Grady Ward, 1.0

42 Moby Thesaurus words for "untilled":
      acarpous, arid, barren, celibate, childless, desert, desolate,
      drained, dried-up, dry, exhausted, fallow, fruitless, gaunt,
      gelded, impotent, ineffectual, infecund, infertile, issueless,
      jejune, leached, menopausal, nonfertile, nonproducing,
      nonproductive, nonprolific, sine prole, sterile, sucked dry,
      teemless, uncultivated, unfertile, unfruitful, unplowed,
      unproductive, unprolific, unsown, virgin, waste, wasted,
      without issue