different between precognition vs conjecture

English

Etymology

From Middle French precognition or its source, Latin praecognitio(n-), from praecogn?scere (“to know beforehand”). Equivalent to Germanic cognate foreknowledge and Grecian cognate prognosis.

Pronunciation

• (UK) IPA^(key): /?p?i?k???n??n?/

Noun

precognition (countable and uncountable, plural precognitions)

1. (parapsychology) Knowledge of the future; understanding of something in advance, especially as a form of supernatural or extrasensory perception. [from 15th c.]
2. (Scotland, law) The practice of taking a factual statement from a witness before a trial. [from 17th c.]
   • 1824, James Hogg, The Private Memoirs and Confessions of a Justified Sinner:

     ‘But it seems there are some strong presumptuous proofs against you, and I came to warn you this day that a precognition is in progress, and that unless you are perfectly convinced, not only of your innocence, but of your ability to prove it, it will be the safest course for you to abscond, and let the trial go on without you.’

Synonyms

• clairvoyance
• foreknowledge
• anticipation

Derived terms

• precognitive

Related terms

• cognition

Translations

English

Etymology

From Old French, from Latin coniect?ra (“a guess”), from coniectus, perfect passive participle of c?nici? (“throw or cast together; guess”), from con- (“together”) + iaci? (“throw, hurl”); see jet. Compare adjective, eject, inject, project, reject, subject, object, trajectory.

Pronunciation

• (UK) IPA^(key): /k?n?d???k.t???(?)/
• (US) IPA^(key): /k?n?d???k.t???/

Noun

conjecture (countable and uncountable, plural conjectures)

1. (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.

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

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

3. (mathematics, linguistics) A statement likely to be true based on available evidence, but which has not been formally proven.
4. (obsolete) Interpretation of signs and omens.

Synonyms

• halseny
• See also Thesaurus:supposition

Related terms

• conject
• conjectural

Translations

Verb

conjecture (third-person singular simple present conjectures, present participle conjecturing, simple past and past participle conjectured)

1. (formal, intransitive) To guess; to venture an unproven idea.

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

2. (transitive) To infer on slight evidence; to guess at.
   • February 22, 1685, Robert South, All Contingences under the Direction of God's Providence (sermon preached at Westminster Abbey)

     Human reason can then, at the best, but conjecture what will be.

Translations

Further reading

• conjecture in The Century Dictionary, New York, N.Y.: The Century Co., 1911.
• Douglas Harper (2001–2021) , “conjecture”, in Online Etymology Dictionary
• conjecture in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.

French

Etymology

Borrowed from Latin coniect?ra.

Pronunciation

• IPA^(key): /k??.??k.ty?/

Noun

conjecture f (plural conjectures)

1. conjecture

Usage notes

Not to be confused with conjoncture.

Verb

conjecture

1. first-person singular present indicative of conjecturer
2. third-person singular present indicative of conjecturer
3. first-person singular present subjunctive of conjecturer
4. third-person singular present subjunctive of conjecturer
5. second-person singular imperative of conjecturer

Further reading

• “conjecture” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

Latin

Participle

conject?re

1. vocative masculine singular of conject?rus

Portuguese

Verb

conjecture

1. first-person singular (eu) present subjunctive of conjecturar
2. third-person singular (ele and ela, also used with você and others) present subjunctive of conjecturar
3. third-person singular (você) affirmative imperative of conjecturar
4. third-person singular (você) negative imperative of conjecturar