noun

conjecture

kuhn-JEHK-chuh

noun

A guess or opinion formed without solid proof.

"It's pure conjecture at this point who will win the leadership race."

verb

To guess or form an opinion without full proof.

"Scientists conjectured that the crater was formed by an ancient asteroid impact."

How to Use Conjecture

Learner’s notes

In plain EnglishAn educated guess, or the act of making one.

Easily confused with

conjuncture

Common pairings

pure conjecture open to conjecture conjecture about

conjectured past tense, conjectures plural, conjectures singular

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It's pure _____ at this point who will win the leadership race.

From Latin coniectura, "a guess", from conicere, "to throw together" — from con- + iacere ("to throw"), the same root as "eject" and "project".

pure cure sure lure Kure azure nature future manure secure impure injure