Certain
Certain adjective - Having been established and usually not subject to change.
Usage example: a certain percentage of the profits will go to charity
True is a synonym for certain in known topic. In some cases you can use "True" instead an adjective "Certain", when it comes to topics like undoubtable.
True
True adjective - Existing in fact and not merely as a possibility.
Usage example: the true scope of this environmental problem is far greater than anyone imagined
Mutual synonyms
Both words in one sentence
- Synopsis : The bad touch trio decide to do some matchmaking between certain Nations, and France takes to this like a true Chess Master as he executes plans to bring togther certain pairs.
- Little is known about him other then he is a demon, not even his true name or form (though certain aspects of the later is shown, such as the fact that he wears high heels as a demon).
Source: Mysterious Past - In some stories, all creatures have true names, whereas others limit the use of true names to certain kinds of creatures, such as fairies, demons, or dragons.
Source: I Know Your True Name
Cite this Source
True and Certain. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/certain/true
Certain & True. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/certain/true>.
True or Certain. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/certain/true.
Google Ngram Viewer shows how "certain" and "true" have occurred on timeline