From Middle French définitif.

• (RP) IPA: /dɪˈfɪn.ɪ.tɪv/
• (America, Australia) IPA: /dɪˈfɪn.ə.tɪv/, [dɪˈfɪn.ə.ɾɪv]

definitive

1. explicitly defined
2. conclusive or decisive

   definitive vote

   She will have the definitive say in the matter, after consulting her board of directors.

3. definite, authoritative and complete
   • 1650, Thomas Browne, Pseudodoxia Epidemica: […], 2nd edition, London: […] A[braham] Miller, for Edw[ard] Dod and Nath[aniel] Ekins, […], →OCLC ↗:

     A strict and definitive truth.

   • 1838, William H[ickling] Prescott, History of the Reign of Ferdinand and Isabella, the Catholic. […], volume (please specify |volume=I to III), Boston, Mass.: American Stationers’ Company; John B. Russell, →OCLC ↗:

     Some definitive […] scheme of reconciliation.

4. limiting; determining

   a definitive word

5. (philately) general, not issued for commemorative purposes
6. (obsolete) Determined; resolved.
   • c. 1603–1604 (date written), William Shakespeare, “Measure for Measure”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, →OCLC ↗, [Act V, scene i], line 424:

     Never crave him. We are definitive.

• Italian: definitivo
• Spanish: definitivo

• French: définitif, définitive
• German: endgültig
• Italian: definitivo
• Russian: оконча́тельный
• Spanish: definitivo, decisivo

• Italian: definitivo
• Spanish: autorizado, oficial

definitive (plural definitives)

1. (grammar) a word, such as a definite article or demonstrative pronoun, that defines or limits something
2. (philately) an ordinary postage stamp that is part of a series of all denominations or is reprinted as needed to meet demand

   Synonyms: definitive stamp

• French: timbre d'usage courant
• German: Dauermarke