Certain and Unclear

Certain

Certain adjective - Impossible to avoid or evade.
Usage example: as he got older, the athlete began to feel the certain effects of the aging process on his body

Unclear is an antonym for certain in topics: uncertain, undoubtable.

Nearby Words: certainty, certainly

Unclear

Unclear adjective - Not seen or understood clearly.
Usage example: obtained at best an unclear glimpse of the rarely seen bird from across the road

Certain is an antonym for unclear in topics: obvious, not clear.

Nearby Word: uncleared

Both words in one sentence

  • Video Game / Middle-earth: Shadow of Mordor The trope is played with concerning certain orcs that claim troll heritage, but it is unclear whether the claim is serious or metaphorical.
  • Death by Falling Over It's unclear what actually caused it, but under certain conditions even minimal force can be lethal.
  • Monster Protection Racket History is somewhat unclear on the details, but what is certain, there is a lot of treasure under Fort Dawnguard.
Cite this Source
Unclear and Certain. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/certain/unclear
Certain & Unclear. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/certain/unclear>.
Unclear or Certain. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/certain/unclear.
Google Ngram Viewer shows how "certain" and "unclear" have occurred on timeline