- The definition of a conjecture is a theory.
An example of conjecture is the belief that climate change will result in sea levels rising.
- Conjecture means to make a guess at something.
An example of conjecture is a scientist coming up with a theory about something.
- an inferring, theorizing, or predicting from incomplete or uncertain evidence; guesswork: an editorial full of conjecture
- an inference, theory, or prediction based on guesswork; guess
- Obsolete occult divination
Origin of conjectureMiddle English ; from Classical Latin conjectura, a putting together, guess, inference ; from conjectus, past participle of conjicere, to throw together, guess ; from com-, together + jacere, to throw: see jet
- Opinion or judgment based on inconclusive or incomplete evidence; guesswork.
- An opinion or conclusion based on guesswork: The commentators made various conjectures about the outcome of the next election.
verbcon·jec·tured, con·jec·tur·ing, con·jec·tures
Origin of conjectureMiddle English, from Old French, from Latin coniectūra, from coniectus, past participle of conicere, to infer : com-, com- + iacere, to throw; see yē- in Indo-European roots.
(countable and uncountable, plural conjectures)
- (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.
(third-person singular simple present conjectures, present participle conjecturing, simple past and past participle conjectured)
conjecture - Legal Definition