[1] : The Collaborative International Dictionary of English v.0.48

uncorroborated \uncorroborated\
   see corroborated.
see also:
corroborated 

[2] : WordNet (r) 2.0

uncorroborated
     adj : unsupported by nother evidence syn: unsubstantiated
see also:
unsubstantiated 

[3] : Moby Thesaurus II by Grady Ward, 1.0

36 moby thesaurus words for "uncorroborated":
   apocryphal, groundless, inconclusive, indecisive, nonofficial,
   not following, not proved, unascertained, unattested, unauthentic,
   unauthenticated, unauthoritative, uncertified, unchecked,
   unconfirmed, undemonstrated, undetermined, unestablished, unfixed,
   unfounded, unofficial, unproved, unproven, unsettled, unshown,
   unsubstantiated, unsupported, unsupported by evidence, unsustained,
   untested, untried, unvalidated, unverified, unwarranted,
   without basis, without grounds

Uncorroborated >> U Words
Uncorroborated, definition of term: Uncorroborated
uncorroborated_pag1.html