Definition for Definitive:

• Complete, fully developed.

Synonyms for Definitive:

• adj.

  •authoritative (adjective)
  • plain,
  • flat out,
  • nailed down.
  •last (adjective)
  • lattermost,
  • rearmost.
  •meaningful (adjective)
  • meaningful,
  • significant,
  • explanatory,
  • indicative,
  • communicative,
  • denotational,
  • relevant,
  • purposeful,
  • topical.

• n.

  •
  • realistic,
  • authentic.
  •
  • ideal.

Antonyms for Definitive:

• adj.

  • authoritative
    false, vague, incomplete, temporary, inexact, questionable, inconclusive, uncertain, unreliable, imprecise, interim, ambiguous, indefinite.
  • Other antonyms:
    incomprehensible, inferior, second-rate, indecisive, obscure, ambiguous, poor, inexplicit, substandard, mediocre, imprecise, vile, unspecific, average, nonstandard, vague, moot, implied, cryptic, disappointing, execrable, refutable, disputed, deficient, disputable, wretched, bad, unintelligible, indefinite, atrocious, failed, low-grade, representative, ordinary, controversial, unclear, circuitous, inaccurate, enigmatic, normal, inadequate, incorrect, dark, unsatisfactory, typical, inexact.