definitive meaning
EN
[dɪˈfɪn.ɪt.ɪv] WDefinitive
- Definitive may refer to:
- Definitive (TV series), an American music television series
- Definitive stamp, a postage stamp that is part of a regular issue of a country's stamps available for sale by the postal service
FR définitive 
- NounPLdefinitivesPREdé-SUF-itive
- (grammar) a word, such as a definite article or demonstrative pronoun, that defines or limits something.
- (philately) an ordinary postage stamp that is part of a series of all denominations or is reprinted as needed to meet demand.
- (grammar) a word, such as a definite article or demonstrative pronoun, that defines or limits something.
- AdjectiveCOMmore definitiveSUPmost definitive
- explicitly defined.
- conclusive or decisive.
- definite, authoritative and complete.
- Limiting; determining.
- a definitive word
- (philately) general, not issued for commemorative purposes.
- (obsolete) Determined; resolved.
- explicitly defined.
- More Examples
- Used in the Middle of Sentence
- According to the best MER and macroelectrode stimulation results, the site of implantation of the definitive electrode was chosen.
- Used in the Middle of Sentence
Definition of definitive in English Dictionary
- Part-of-Speech Hierarchy
- Adjectives
- Nouns
- Countable nouns
- Countable nouns
- Adjectives
Source: Wiktionary
Grammatically, this word "definitive" is an adjective. It's also a noun, more specifically, a countable noun.