unobstructed

from WordNet (r) 3.0 (2006)

unobstructed
    adj 1: free from impediment or obstruction or hindrance; "an
           unobstructed view" [ant: {obstructed}]

from The Collaborative International Dictionary of English v.0.48

Unobstructed \Unobstructed\
   See {obstructed}.

from Moby Thesaurus II by Grady Ward, 1.0

27 Moby Thesaurus words for "unobstructed":
      bald, bare, clear, cleared, disclosed, disembarrassed, exposed,
      free, naked, open, unburdened, unclogged, unclosed, uncovered,
      unembarrassed, unencumbered, unhampered, unhandicapped, unhidden,
      unhindered, unimpeded, unladen, unprevented, unrestricted,
      unstopped, untrammeled, wide-open