PROBABILITY Synonyms: 30 Similar and Opposite Words

probability

noun

ˌprä-bə-ˈbi-lə-tē

Definition of probability

as in likelihood

the quality or state of being likely to occur the plot of the movie thriller was exciting and surprising but woefully lacking in probability

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

as in odds

a measure of how often an event will occur instead of another the probability of flipping a coin and getting heads 50 times in a row is not good

Synonyms & Similar Words

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of probability But, given that the hardware qubits are prone to errors, adding more of them also increases the probability that errors will occur. — ArsTechnica, 20 Oct. 2026 All registered voters were assigned a probability of voting to produce likely voter results. — ABC News, 18 Oct. 2026 Simulations accounting for a 4–6-kilometer-wide grounding zone suggest a 60-percent probability that the glacier will become unpinned from the Mouginot Ridge by the end of the century. — Neetika Walter, Interesting Engineering, 15 Oct. 2026 Farther east, including the I-35 corridor and the metroplex, rain chances will generally range from 30–50%, with lower probabilities toward our southeastern counties. — Michael Autovino, CBS News, 15 Oct. 2026 See All Example Sentences for probability

Recent Examples of Synonyms for probability

likelihood

Noun

South Korean President Lee Jae Myung’s approach to North Korea has also increased the likelihood of conflict.

— Dan Blumenthal, Washington Post, 27 Oct. 2026
In August, Kalshi reflected a 95% likelihood of Wisconsin Democratic socialist Francesca Hong winning the Democratic gubernatorial primary over Milwaukee County executive David Crowley.

— Ananya Chetia, CNBC, 26 Oct. 2026

Definition of likelihood

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probabilities

probability

probable

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Style

“Probability.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/probability. Accessed 27 Oct. 2026.

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Synonyms of probability

noun

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