Search Result for "doubtfulness": 
Wordnet 3.0

NOUN (2)

1. the state of being unsure of something;
[syn: doubt, uncertainty, incertitude, dubiety, doubtfulness, dubiousness]

2. uncertainty about the truth or factuality or existence of something;
- Example: "the dubiousness of his claim"
- Example: "there is no question about the validity of the enterprise"
[syn: doubt, dubiousness, doubtfulness, question]



The Collaborative International Dictionary of English v.0.48:

Doubtfulness \Doubt"ful*ness\, n.
   1. State of being doubtful.
      [1913 Webster]

   2. Uncertainty of meaning; ambiguity; indefiniteness. " The
      doubtfulness of his expressions." --Locke.
      [1913 Webster]

   3. Uncertainty of event or issue. --Bacon.
      [1913 Webster]


WordNet (r) 3.0 (2006):

doubtfulness
    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]