Certain
Certain adjective - Not capable of being challenged or proved wrong.
Usage example: up to this point there's been no certain evidence that a crime has been committed
Debatable
Debatable adjective - Open to question or dispute.
Usage example: it's always debatable which college football team is really number one, since there's more than one ranking system
Both words in one sentence
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A more debatable example: certain daily quests in Mists of Pandaria were particularly annoying to some players, and yet were particularly important as a way to gear up.
Source: Take That, Scrappy! -
When a certain event is a foregone conclusion, like with The Film of the Book or films Based on a True Story, it's again debatable that it's really a spoiler.
Source: Trailers Always Spoil -
Occasionally there is evidence to suggest events taking place during a certain season, such as summer holidays, but it's debatable how much time as actually passed most of the time.
Source: Comic Book / W.I.T.C.H.
Cite this Source
Debatable and Certain. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/certain/debatable
Certain & Debatable. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/certain/debatable>.
Debatable or Certain. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/certain/debatable.
Google Ngram Viewer shows how "certain" and "debatable" have occurred on timeline