Certain
Textbook
Textbook adjective - Constituting, serving as, or worthy of being a pattern to be imitated.
Mutual synonyms
Both words in one sentence
- Commander Sam Vimes from the Discworld series would be a textbook Ideal Hero except that, in his words, "in certain specific areas" (mostly fighting) he has no rules whatsoever.
Source: Unscrupulous Hero -
A Protagonist Is Ryu: A textbook example, and quite likely a co-Trope Namer with a certain other Ryu in another Capcom franchise.
Source: Franchise / Breath of Fire -
The lethal masks from Halloween III: Season of the Witch are textbook examples; they are just like any other mask, but if its wearer sees a certain commercial, all hell breaks loose.
Source: Murderous Mask
Cite this Source
Textbook and Certain. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/certain/textbook
Certain & Textbook. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/certain/textbook>.
Textbook or Certain. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/certain/textbook.
Google Ngram Viewer shows how "certain" and "textbook" have occurred on timeline