conjecture
noun
the formation or expression of an opinion or theory without sufficient evidence for proof.
conjectures
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pluralof conjecture.plural
The grammatical form denoting more than one person, place, thing, or idea.
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present tense formof conjecture (3rd person singular).present tense
Used to describe things happening now or regularly.
conjecturenounthe formation or expression of an opinion or theory without sufficient evidence for proof.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
But we have reached the point where famous math conjectures that stood for decades seem to be falling every day.
From The Wall Street Journal ● Aug. 1, 2026
"This unprecedentedly clear signal of the black hole merger known as GW250114 puts to the test some of our most important conjectures about black holes and gravitational waves," Isi said.
From Science Daily ● Dec. 8, 2025
A lawyer for the New Jersey senator said the justice department claims were "baseless" and "bizarre conjectures".
From BBC ● Jan. 2, 2024
In a sense, nothing the drug industry is saying by parading conjectures about the downside of lower drug prices before judges or the public is new.
From Los Angeles Times ● Oct. 11, 2023
Finally out of Nanny’s talk and her own conjectures she made a sort of comfort for herself.
From "Their Eyes Were Watching God" by Zora Neale Hurston
