conjecture (conjectures plural & 3rd person present) (conjecturing present participle) (conjectured past tense & past participle )
1 n-var A conjecture is a conclusion that is based on information that is not certain or complete.
FORMAL
(=surmise)
That was a conjecture, not a fact..., There are several conjectures..., The attitudes of others were matters of conjecture although there were plenty of rumours about how individuals had behaved.
2 verb When you conjecture, you form an opinion or reach a conclusion on the basis of information that is not certain or complete.
FORMAL
(=surmise)
He conjectured that some individuals may be able to detect major calamities... V that
This may be true or partly true; we are all conjecturing here. V