Du·bi·ous·ness, n. State of being dubious.
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dubiousness
n 1: the state of being unsure of something [syn: doubt, uncertainty,
incertitude, dubiety, doubtfulness] [ant: certainty]
2: uncertainty about the truth or factuality of existence of
something; "the dubiousness of his claim"; "there is no
question about the validity of the enterprise" [syn: doubt,
doubtfulness, question]