Definitive
Definitive adjective - Being the most accurate and apparently thorough.
True and definitive are semantically related. In some cases you can use "True" instead an adjective "Definitive".
True
True adjective - Being exactly as appears or as claimed.
Definitive and true are semantically related. Sometimes you can use "Definitive" instead an adjective "True".
Mutual synonyms
Both words in one sentence
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In either case, the notion of a Joker as a good man before his fatal encounter with Batman and a vat of chemicals, which Moore certainly held to be true to his story, has never been established as definitive in later continuity.
Source: Comic Book / The Killing Joke - If the story is true, you could moreover reasonably be said to "know" that this thing happened—although it's not perfectly clear, which is why the definition is today considered a good start and not absolutely definitive.
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Also, in Down on the Farm, a few possible explanations for Krantzberg syndrome are posited, and the text states that there isn't a definitive answer as to what the true cause is.
Source: Literature / The Laundry Series
Cite this Source
True and Definitive. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/definitive/true
Definitive & True. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/definitive/true>.
True or Definitive. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/definitive/true.
Google Ngram Viewer shows how "definitive" and "true" have occurred on timeline