Certainty
Certainty noun - A state of mind in which one is free from doubt.
Impossibility is an antonym for certainty.
Impossibility
Impossibility noun - Incapability of existing or occurring.
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Synonyms for Impossibility
Certainty is an antonym for impossibility.
Nearby Words: impossible, impossibly
Both words in one sentence
- In the Death Note live-action films, Light Yagami dies much, much earlier than he did in the anime, on account of L writing his own name in the Death Note before Light can kill him, making his own death a certainty in 23 days but an impossibility at any time prior to that.
Source: Not His Sled
Cite this Source
Impossibility and Certainty. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/certainty/impossibility
Certainty & Impossibility. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/certainty/impossibility>.
Impossibility or Certainty. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/certainty/impossibility.
Google Ngram Viewer shows how "certainty" and "impossibility" have occurred on timeline