[syn: doubt, dubiousness, doubtfulness, question]
The Collaborative International Dictionary of English v.0.48:
Dubiousness \Du"bi*ous*ness\, n.
State of being dubious.
WordNet (r) 3.0 (2006):
n 1: the state of being unsure of something [syn: doubt,
uncertainty, incertitude, dubiety, doubtfulness,
dubiousness] [ant: certainty]
2: uncertainty about the truth or factuality or existence of
something; "the dubiousness of his claim"; "there is no
question about the validity of the enterprise" [syn: doubt,
dubiousness, doubtfulness, question]