Synonyms of conjectures

conjectures 1 of 2

noun

plural of conjecture

as in guesses

an opinion or judgment based on little or no evidence

the many conjectures about the true identity of Jack the Ripper

Synonyms & Similar Words

• guesses
• theories
• hypotheses
• surmises
• suppositions
• speculations
• hunches
• intuitions
• hypotheticals
• shots in the dark
• beliefs
• shots
• theses
• guesswork
• faiths
• dead reckonings

conjectures

2 of 2

verb

present tense third-person singular of conjecture

1

as in estimates

to decide the size, amount, number, or distance of (something) without actual measurement

he conjectured that the theater could seat 1000 people more or less

Synonyms & Similar Words

• estimates
• figures
• guesses
• calculates
• supposes
• makes
• judges
• gauges
• places
• puts
• reckons
• calls
• concludes
• reasons
• understands
• infers
• deduces
• extrapolates
• gathers

Antonyms & Near Antonyms

• measures
• scales
• computes
• works out
• calibrates

2

as in assumes

to form an opinion from little or no evidence

you're only conjecturing that he was the culprit

Synonyms & Similar Words

• guesses
• assumes
• supposes
• surmises
• suspects
• suspicions
• speculates
• presumes
• thinks
• imagines
• believes
• daresays
• infers
• concludes
• deduces
• hypothesizes
• theorizes
• expects
• gathers
• judges
• hypothecates
• conceives
• reckons
• takes

Antonyms & Near Antonyms

• proves
• demonstrates
• documents
• establishes
• validates
• determines
• substantiates
• learns
• finds out
• ascertains

Example Sentences

Recent Examples of conjectures

Noun

Many mathematicians have stopped posting open conjectures and potential ideas at the end of their papers, for fear that they’ll be scraped by bots and fed into AI models. — Jordana Cepelewicz, Quanta Magazine, 5 Oct. 2026

There have been a lot of conjectures, but little in the way of actual proof of what took place. — Lizzie Lanuza, StyleCaster, 25 May 2026

Like an enzyme that works as a catalyst to speed up a chemical reaction, collaboration ignites new ideas for conjectures. — Chase Hunter, Mercury News, 19 Apr. 2026

The project grew out of group head Ido Kaminer’s 2019 Ramanujan Machine, an AI bot that seeks out new conjectures for calculating mathematical constants. — Lyndie Chiou, Scientific American, 13 Mar. 2026

With few clear signals about who has influence and how decisions are made, the halls of power in Beijing are fertile ground for political conjectures. — Deng Yuwen, Foreign Affairs, 14 Nov. 2025

This is an intense ongoing study and there are many conjectures. — Literary Hub, 14 Nov. 2025

Amenabar seems to root his screenplay on conjectures about the writer’s sexuality, which many scholars consider latterday projection. — Dennis Harvey, Variety, 31 Oct. 2025

Verb

Surprisingly, this simple geometry problem is one of the most important conjectures in harmonic analysis, the study of how all kinds of mathematical objects can be built from waves. — Joseph Howlett, Scientific American, 27 Oct. 2026

This kind of attempt to observe without tackling with hypotheses and conjectures and theories, right? — Quanta Magazine, 17 Sep. 2026

Meanwhile, conjectures about the impact of a deal or non-deal have proliferated. — Business Columnist, Los Angeles Times, 16 Sep. 2026

Humans propose conjectures, guided by intuition. — Benjamin Skuse, IEEE Spectrum, 25 June 2026

Suspicion fell on Shiite families, though many dismissed these conjectures; in Ain el-Mreisseh, people know their neighbors. — Rania Abouzeid, New Yorker, 21 May 2026

There’s no end to conjectures about William Shakespeare’s life because there isn’t all that much definitive Shakespeareana to rake over. — Matthew Wills, JSTOR Daily, 28 Aug. 2025