VAGUENESS
vagueness
(noun) indistinctness of shape or character; “the scene had the swirling vagueness of a painting by Turner”
vagueness
(noun) unclearness by virtue of being poorly expressed or not coherent in meaning; “the Conservative manifesto is a model of vagueness”; “these terms were used with a vagueness that suggested little or no thought about what each might convey”
Source: WordNet® 3.1
Etymology
Noun
vagueness (countable and uncountable, plural vaguenesses)
(uncountable) The condition of being unclear; vague.
(countable) Something which is vague, or an instance or example of vagueness.
Source: Wiktionary
Vague"ness, n.
Definition: The quality or state of being vague.
Source: Webster’s Unabridged Dictionary 1913 Edition