Definitive
Definitive adjective - Being the most accurate and apparently thorough.
Rigorous and definitive are semantically related. In some cases you can use "Rigorous" instead an adjective "Definitive".
Rigorous
Rigorous adjective - Meeting the highest standard of accuracy.
Usage example: a rigorous analysis of the data
Definitive and rigorous are semantically related. Sometimes you can use "Definitive" instead an adjective "Rigorous".
Cite this Source
Rigorous and Definitive. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/definitive/rigorous
Definitive & Rigorous. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/definitive/rigorous>.
Rigorous or Definitive. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/definitive/rigorous.
Google Ngram Viewer shows how "definitive" and "rigorous" have occurred on timeline