Certainty
Certainty noun - The quality or state of being impossible to avoid or evade.
Usage example: the proverbial certainty of death and taxes
Improbability is an antonym for certainty.
Improbability
Improbability noun - The quality of being improbable.
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Synonyms for Improbability
Certainty is an antonym for improbability.
Nearby Words: improbable, improbably
How words are described
| high | high certainty | high improbability |
| statistical | statistical certainty | statistical improbability |
Both words in one sentence
- This is why it was guaranteed to work; since it was infinitely improbable that it would save them from imminent destruction, the Infinite Improbability Drive made it a statistical certainty.
Source: Blind Jump
Cite this Source
Improbability and Certainty. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/certainty/improbability
Certainty & Improbability. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/certainty/improbability>.
Improbability or Certainty. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/certainty/improbability.
Google Ngram Viewer shows how "certainty" and "improbability" have occurred on timeline