Definitive
Definitive , adjective
[Latin definitivus: compare French définitif.]
1.
Determinate; positive; final; conclusive; unconditional; express.
A strict and definitive truth.
Some definitive... scheme of reconciliation.
2.
Limiting; determining; as, a definitive word.
3.
Determined; resolved. [Obsolete] — Shakespeare
Definitive , noun
(Grammar) A word used to define or limit the extent of the signification of a common noun, such as the definite article, and some pronouns.
Definitives... are commonly called by grammarians articles.... They are of two kinds, either those properly and strictly so called, or else pronominal articles, such as this, that, any, other, some, all, no, none, etc.