Indefiniteness is a kind of definiteness indicating that the referent(s) of an expression are not presumed to be identifiable.
The referent is not identifiable because of a lack of shared knowledge or situation, including no previous mention of the referent.
Certain demonstratives and pronouns often are used to indicate indefiniteness.
(English)
Here are some examples of words that indicate indefiniteness:
This page is an extract from the LinguaLinks Library. Version 5.0 published on CD-ROM by SIL International, 2003.