Guess
Guess noun - An opinion or judgment based on little or no evidence.
Proof
Proof noun - Something presented in support of the truth or accuracy of a claim.
Usage example: she presented proof that she had not cheated
How words are described
Both words in one sentence
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Informed Ability: Hortensia claims that the Trunchbull has a canny ability to guess which kid plays a prank on her, even if she has no proof, but the ability is a No Sell where Matilda is concerned.
Source: Literature / Matilda - I guess that prison just wasn't built to be hero proof.
Source: Surprisingly Easy Mini-Quest -
The one-day form (guess why it's called that) is not taken as seriously by players and many fans, and the newer and more accelerated Twenty20 cricket in which a match "only" takes three hours is considered by many as proof of civilisation descending into barbarism.
Source: Useful Notes / Cricket
Cite this Source
Proof and Guess. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/guess/proof
Guess & Proof. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/guess/proof>.
Proof or Guess. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/guess/proof.
Google Ngram Viewer shows how "guess" and "proof" have occurred on timeline