Certain and Some

Certain

Certain adjective - Known but not named.
Usage example: a certain person told me that today is your birthday

Some is a synonym for certain in quantity topic. In some cases you can use "Some" instead the word "Certain" as an adjective or a pronoun or a determination, when it comes to topics like referring to a specifically known amount.

Nearby Words: certainty, certainly

Some

Some adjective - Known but not named.
Usage example: some people won't be able to come

Certain is a synonym for some in quantity topic. You can use "Certain" instead the word "Some" as an adjective or a pronoun.
Cite this Source
Some and Certain. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/certain/some
Certain & Some. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/certain/some>.
Some or Certain. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/certain/some.
Google Ngram Viewer shows how "certain" and "some" have occurred on timeline