conjecture
/kənˈd͡ʒɛkt͡ʃɚ/ noun C2- 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.
- A supposition based upon incomplete evidence; a hypothesis. · The physicist used his conjecture about subatomic particles to design an experiment.
- A statement likely to be true based on available evidence, but which has not been formally proven.
Plural conjectures
From the library
I’ve told you all I know myself now, for the rest is mere surmise and conjecture.
His quiet self-confident manner convinced me that he had already formed a theory which explained all the facts, though what it was I could not for an instant conjecture.
There was the dead dog, however, to prove that his conjecture had been correct.
He knows, we may conjecture, nothing of what has occurred."
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