To conjecture is to make an educated guess rather than a stab in the dark; it involves piecing together bits of information to come to a plausible conclusion, as in “scientists conjecturing …

CONJECTURE definition: 1. a guess about something based on how it seems and not on proof: 2. to guess, based on the…. Learn more.

A conjecture is considered proven only when it has been shown that it is logically impossible for it to be false. There are various methods of doing so; see methods of mathematical proof for …

Conjecture definition: the formation or expression of an opinion or theory without sufficient evidence for proof.. See examples of CONJECTURE used in a sentence.

Opinion or judgment based on inconclusive or incomplete evidence; guesswork. 2. An opinion or conclusion based on guesswork: The commentators made various conjectures about the …

Can you guess what conjecture means? It's a word to use when you are not sure of something and have to "guess or surmise."

When you conjecture, you form an opinion or reach a conclusion on the basis of information that is not certain or complete.

the forming or expressing of an opinion without sufficient proof:[uncountable] Do you know that for a fact or is it only conjecture? an opinion or theory so formed or expressed:[countable] Another …

Definition of conjecture noun from the Oxford Advanced Learner's Dictionary. [countable] an opinion or idea that is not based on definite knowledge and is formed by guessing synonym …

Sep 10, 2025 · conjecture (countable and uncountable, plural conjectures) (formal) A statement or an idea which is unproven, but is thought to be true; a guess.