Certain and Unsolved

Certain

Certain adjective - Known but not named.

Unsolved is an antonym for certain.

Nearby Words: certainty, certainly

Unsolved

Unsolved adjective - Not solved.

Certain is an antonym for unsolved in uncertain topic.

Both words in one sentence

  • Video Game / Fallen London Helps that there's always certain tidbits that remain completely unsolved to this day.
  • Video Game / A Tale of Two Kingdoms If you don't want the normal or bad endings, which leave several problems unsolved, you'll still need to keep several spare save files in case you miss or lose certain items from solving puzzles the wrong way.
Cite this Source
Unsolved and Certain. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/certain/unsolved
Certain & Unsolved. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/certain/unsolved>.
Unsolved or Certain. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/certain/unsolved.
Google Ngram Viewer shows how "certain" and "unsolved" have occurred on timeline