Noun
The quality of being indefinite.
Source: Webster's dictionaryDefiniteness and indefiniteness are either indicated by special grammatical devices, such as using the number "one" as an indefinite article, or by the context. Source: Internet
In early forms of Aramaic, the absolute state expresses indefiniteness, comparable to the English indefinite article a(n) (for example, כתבה kṯāḇâ, "a handwriting"), and can be used in most syntactic roles. Source: Internet
In accordance with this, anything definite has to eventually pass back into indefiniteness. Source: Internet