Definitions
1.NounA 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.NounA supposition based upon incomplete evidence; a hypothesis."The physicist used his conjecture about subatomic particles to design an experiment."
3.NounA statement likely to be true based on available evidence, but which has not been formally proven.
4.NounInterpretation of signs and omens.
5.VerbTo guess; to venture an unproven idea."I do not know if it is true; I am simply conjecturing here."
6.VerbTo infer on slight evidence; to guess at.