Definitively
Plain and definitively are semantically related. In some cases you can use "Plain" instead an adverb "Definitively".
Plain
Plain adverb - In an honest and direct manner.
Definitively and plain are semantically related. Sometimes you can replace term "Definitively" with "Plain", this adverbs are similar.
Cite this Source
Plain and Definitively. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/definitively/plain
Definitively & Plain. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/definitively/plain>.
Plain or Definitively. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/definitively/plain.
Google Ngram Viewer shows how "definitively" and "plain" have occurred on timeline