CONJECTURE Synonyms: 66 Similar and Opposite Words

conjecture 1 of 2

noun

kən-ˈjek-chər

Definition of conjecture

as in guess

an opinion or judgment based on little or no evidence the many conjectures about the true identity of Jack the Ripper

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conjecture

2 of 2

verb

as in to estimate

to decide the size, amount, number, or distance of (something) without actual measurement he conjectured that the theater could seat 1000 people more or less

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Antonyms & Near Antonyms

as in to guess

to form an opinion from little or no evidence you're only conjecturing that he was the culprit

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Antonyms & Near Antonyms

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 conjecture

Noun

For now though, much of this can seem as conjecture and theorizing to many of Iran’s over 80 million people who continue to struggle in the grips of the country’s ailing economy. —Nasser Karimi, Chicago Tribune, 5 Feb. 2025 Balaji’s suicide has become a subject of international conjecture, fueled by rampant speculation about foul play. —Jakob Rodgers, The Mercury News, 31 Jan. 2025

Verb

In 1640, Pierre de Fermat conjectured that there are infinitely many primes that can be formulated by squaring two whole numbers and adding them together. —Joseph Howlett, WIRED, 19 Jan. 2025 Of all my internet conjectures, though, nothing beats a little fictional vacation planning. —Jennifer Adams, StyleCaster, 16 Jan. 2025 See All Example Sentences for conjecture

Recent Examples of Synonyms for conjecture

Noun

After some wild previous guesses, including Jeong thinking Pearl was Madonna, the panel had more reasonable (though obviously swayed by the night's theme) predictions for who could be under the mask.

— Jillian Sederholm, EW.com, 20 Mar. 2025
The person with the closest guess, without going over, gets to play the next game.

— Tasha Tsiaperas, Axios, 17 Mar. 2025