Certain
Mutual synonyms
Both words in one sentence
- And there is a certain overly insistent wizard who wants his stolen artifact back from you, and then some more.
Source: Staying Alive -
Gavin was insistent it was someone from The Addams Family, while everyone else was certain that this was another case of Gav being a Cloudcuckoolander.
Source: Who Names Their Kid "Dude"? -
Insistent Terminology: Throughout the books, the narrator (and/or some of the characters) would mention that a certain word or phrase has a different name or replacement altogether.
Cite this Source
Insistent and Certain. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/certain/insistent
Certain & Insistent. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/certain/insistent>.
Insistent or Certain. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/certain/insistent.
Google Ngram Viewer shows how "certain" and "insistent" have occurred on timeline