Certain and Dubious

Certain

Certain adjective - Having or showing a mind free from doubt.
Usage example: I'm certain that they'll arrive on time

Dubious is an antonym for certain in topics: known, sure, fixed, confident, undoubtable.

Nearby Words: certainty, certainly

Dubious

Dubious adjective - Giving good reason for being doubted, questioned, or challenged.
Usage example: any letter bearing the signature of Geronimo would be of dubious authenticity, to say the least

Certain is an antonym for dubious in topics: unsure, doubtful, vague.

Nearby Words: dubiety, dubiousness, dubiously

Both words in one sentence

  • Film / Rawhead Rex The film has a dubious reputation for certain reason and changes made within the production.Our main story still mostly stays the same.
  • Video Game / Knee Deep Corrupt Corporate Executive: Donovan Miller and, to a certain extent, Church of Us representative Gordon Cordray represent corporate entities with dubious agendas.
  • The only exceptions are during a certain conversation with Karl (which is dubious in its sincerity) and that one moment in the library where he fainted (which is meant to be Nightmare Fuel).
Cite this Source
Dubious and Certain. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/certain/dubious
Certain & Dubious. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/certain/dubious>.
Dubious or Certain. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/certain/dubious.
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