conjecture

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conjecture

  • /kənˈd͡ʒɛkt͡ʃə/ UK
  • [kʰənˈd͡ʒɛkt͡ʃə] UK
  • /kənˈd͡ʒekt͡ʃə/ Australia
  • [kʰənˈd͡ʒekt͡ʃə] Australia
  • /kənˈd͡ʒɛkt͡ʃɚ/ Canada, US
  • [kʰənˈd͡ʒɛkt͡ʃɚ] ~ [kʰənˈd͡ʒɛkt͡ʃɹ̩] Canada, US

Rhymes with -ɛkt͡ʃə(ɹ)

Where it comes from

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, deject, abject, surjection, bijection, interject.

Compare typologically Russian прики́дывать (prikídyvatʹ) (akin to кида́ть (kidátʹ)).

noun conjectures

  1. countable, formal, uncountable 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. countable, formal, uncountable A supposition based upon incomplete evidence; a hypothesis. The physicist used his conjecture about subatomic particles to design an experiment.
  3. countable, uncountable A statement likely to be true based on available evidence, but which has not been formally proven.
  4. countable, obsolete, uncountable Interpretation of signs and omens.

verb conjectures · conjecturing · 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)

Thesaurus

Closest in meaning: surmise, hypothesize, supposition, guess, suppose, speculate, theorize, hypothesis, speculation, hypothecate, theorise, assumption, guesswork, premise, haggling, suspicion

Translations

Every language

noun unproven statement; guess

Españolconjetura
日本語推測 suisoku
中文臆測 /臆测 yìcè, 推測 /推测 tuīcè
Portuguêsconjetura, conjectura
Françaisconjecture
DeutschVermutung, Verdacht, Mutmaßung
Italianocongettura
Ελληνικάεικασία eikasía, υπόθεση ypóthesi
Românăipoteză, presupunere
Русскийпредположе́ние predpoložénije, дога́дка dogádka
العربيةفَرَضِيَّة faraḍiyya, اِفْتِرَاض iftirāḍ

noun supposition based upon incomplete evidence; a hypothesis

Españolconjetura
日本語忖度 sontaku
中文猜想 cāixiǎng, 假說 /假说 jiǎshuō
Portuguêshipótese
Françaisconjecture
DeutschVermutung, Hypothese, Konjektur
Ελληνικάυπόθεση ypóthesi
Românăipoteză
Русскийгипо́теза gipóteza, предположе́ние predpoložénije, дога́дка dogádka
العربيةتَخْمِين taḵmīn

noun statement likely to be true based on available evidence, but which has not been formally proven

Españolconjetura
中文猜想 cāixiǎng
Portuguêsconjetura, conjectura
Françaisconjecture
DeutschVermutung, Hypothese
Ελληνικάυπόθεση ypóthesi
Românăsupoziție, teoremă
Русскийпредположе́ние predpoložénije
עבריתהשערה hash'ará

verb to guess

Españolconjeturar, barruntar, elucubrar
日本語推測する suisoku suru
中文推測 /推测 tuīcè
Portuguêsconjeturar
Françaisconjecturer
Deutschvermuten, mutmaßen, spekulieren
Italianocongetturare
Ελληνικάεικάζω eikázo, υποθέτω ypothéto
Русскийгада́ть gadátʹ, предполага́ть predpolagátʹ

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Cite this
MLA

"conjecture." Wiktionary, via Micwyn, micwyn.com/word/conjecture. Accessed 6 Nov. 2026.

APA

conjecture. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/conjecture

Chicago

"conjecture." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/conjecture.

BibTeX
@misc{conjecture_2026,
  title = {conjecture},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/conjecture},
  urldate = {2026-11-06}
}