Certain and One

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mutual synonyms

Certain

Certain adjective - Known but not named.
Usage example: a certain person told me that today is your birthday
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Synonyms for Certain
Antonyms for Certain
One and certain are semantically related in referring to a specifically known amount topic. In some cases you can use "One" instead an adjective "Certain", when it comes to topics like the.
Nearby Words: certainty, certainly

One

One adjective - Known but not named.
Usage example: one person that I know said that it was the best movie he had ever seen
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Synonyms for One
Antonyms for One
Certain and one are semantically related in some topic. Sometimes you can use "Certain" instead an adjective "One".

Mutual synonyms

Cite this Source
One and Certain. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/certain/one
Certain & One. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/certain/one>.
One or Certain. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/certain/one.

Synonyms for certain


Synonyms for one

Google Ngram Viewer shows how "certain" and "one" have occurred on timeline