different between prognosticate vs conjecture

English

Etymology

From Medieval Latin prognosticare; see prognostic for more.

Pronunciation

• IPA^(key): /p????n?st?ke?t/

Verb

prognosticate (third-person singular simple present prognosticates, present participle prognosticating, simple past and past participle prognosticated)

1. (transitive) To predict or forecast, especially through the application of skill.

   Examining the tea-leaves, she prognosticated dark days ahead.

   • 1598 – William Shakespeare, Sonnet xiv

     But from thine eyes my knowledge I derive,
     And constant stars in them I read such art
     As 'Truth and beauty shall together thrive,
     If from thyself, to store thou wouldst convert';
     Or else of thee this I prognosticate:
     'Thy end is truth's and beauty's doom and date.'

   • ...to-morrow I intend lengthening the night till afternoon. I prognosticate for myself an obstinate cold, at least.

   • 1915 – Virginia Woolf, The Voyage Out ch. 2

     All old people and many sick people were drawn, were it only for a foot or two, into the open air, and prognosticated pleasant things about the course of the world.

2. (transitive) To presage, betoken.

   The bluebells may prognosticate an early spring this year.

Synonyms

• presage, prophesy, foretell

Related terms

• prognosis
• prognostication

Translations

Italian

Verb

prognosticate

1. second-person plural present indicative of prognosticare
2. second-person plural imperative of prognosticare
3. feminine plural of prognosticato

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