# conjecture

> English word · Noun · IPA /kənˈd͡ʒɛk.t͡ʃə(ɹ)/ · frequency rank #18,276

## Definitions
1. A statement or an idea which is unproven, but is thought to be true; a guess.
2. A supposition based upon incomplete evidence; a hypothesis.
3. A statement likely to be true based on available evidence, but which has not been formally proven.
4. Interpretation of signs and omens.

## Etymology
From Old French, from Latin coniectūra (“a guess”), from coniectus, perfect passive participle of cōniciō (“throw or cast together; guess”), from con- (“together”) + iaciō (“throw, hurl”); see jet. Compare adjective, eject, inject, project, reject, subject, object, trajectory, deject, abject, surjection, bijection, interject.
Compare typologically Russian прики́дывать (prikídyvatʹ) (akin to кида́ть (kidátʹ)).

## Common misspellings (15)
`cconjecture`, `cnojecture`, `cojnecture`, `conejcture`, `conjceture`, `conjeccture`, `conjectrue`, `conjectture`, `conjectuer`, `conjecturre`, `conjecutre`, `conjetcure`, `conjjecture`, `connjecture`, `ocnjecture`

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/conjecture