doubtfulness

  1. the state of being unsure of something
  2. uncertainty about the truth or factuality of existence of something

Doubtfulness

• (n.) State of being doubtful. • (n.) Uncertainty of event or issue. • (n.) Uncertainty of meaning; ambiguity; indefiniteness.
Found on http://thinkexist.com/dictionary/meaning/doubtfulness/

Doubtfulness

Doubt'ful·ness noun 1. State of being doubtful. 2. Uncertainty of meaning; ambiguity; indefiniteness. ' The doubtfulness of his expressions.' Locke. 3. Uncertainty of event or issue. Bacon.
Found on http://www.encyclo.co.uk/webster/D/114
No exact match found