Conjecture definition

kən-jĕkchər
conjectured conjectures conjecturing
See word origin
Frequency:
Opinion or judgment based on inconclusive or incomplete evidence; guesswork.
noun
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An opinion or conclusion based on guesswork.

The commentators made various conjectures about the outcome of the next election.

noun
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To judge or conclude by conjecture; guess.
verb
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To make a conjecture.
verb
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To arrive at or propose by conjecture; guess.
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To make a conjecture.
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A conclusion or inference based upon incomplete or uncertain evidence. To make a conclusion or inference based upon such evidence.
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Conjecture means to make a guess at something.

An example of conjecture is a scientist coming up with a theory about something.

verb
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The definition of a conjecture is a theory.

An example of conjecture is the belief that climate change will result in sea levels rising.

noun
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An inferring, theorizing, or predicting from incomplete or uncertain evidence; guesswork.

An editorial full of conjecture.

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An inference, theory, or prediction based on guesswork; guess.
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(obs.) Occult divination.
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(formal) A statement or an idea which is unproven, but is thought to be true; a guess.

I explained it, but it is pure conjecture whether he understood, or not.

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(formal) A supposition based upon incomplete evidence; a hypothesis.

The physicist used his conjecture about subatomic particles to design an experiment.

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(mathematics, philology) A statement likely to be true based on available evidence, but which has not been formally proven.
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(formal, intransitive) To guess; to venture an unproven idea.

I do not know if it is true; I am simply conjecturing here.

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Other Word Forms

Noun

Singular:
conjecture
Plural:
conjectures

Origin of conjecture

  • Middle English from Old French from Latin coniectūra from coniectus past participle of conicere to infer com- com- iacere to throw yē- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Old French, from Latin coniectūra (“a guess”), from coniectus, perfect passive participle of cōniciō (“throw or cast together; guess”), from con- (“together”) + iaciō (“throw, hurl”); see jet. Compare adjective, eject, inject, project, reject, subject, object, trajectory.

    From Wiktionary

Conjecture Sentence Examples

  • Life is constant probing and testing, conjecture and refutation.

  • I have never counted the number of posts, but I conjecture that there are less than five.

  • We have to conjecture what the Board's reasons were.

  • It is based on nutritional facts and not conjecture.

  • As this business was to be entered into without the usual capital, it may not be easy to conjecture where those means, that will still be indispensable to every such undertaking, were to be obtained.

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Related articles

Words near conjecture in the Dictionary