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.
- (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.
- (formal) A supposition based upon incomplete evidence; a hypothesis.
- The physicist used his conjecture about subatomic particles to design an experiment.
- (mathematics, philology) A statement likely to be true based on available evidence, but which has not been formally proven.
- (obsolete) Interpretation of signs and omens.
- See also Wikisaurus:supposition
- (formal, intransitive) To guess; to venture an unproven idea.
- I do not know if it is true; I am simply conjecturing here.
- Human reason can then, at the best, but conjecture what will be.
- conjecture in The Century Dictionary, The Century Co., New York, 1911
- “conjecture” in Douglas Harper, Online Etymology Dictionary (2001).
- conjecture in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913
conjecture f (plural conjectures)