conjecture
noun
the formation or expression of an opinion or theory without sufficient evidence for proof.
have conjectured
-
present perfectof conjecture.present perfect
Used to describe actions that started in the past and continue into or have direct relevance to the present.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Some Amazon-watchers have conjectured that the glitch may be connected to mass layoffs the company implemented in the summer in its cloud computing unit, with the jobs purportedly replaced by artificial intelligence.
From Los Angeles Times ● Oct. 23, 2025
“I think there’s something really insulting in the way pundits have conjectured, ‘Oh, they’re not going to care about their rights being gone next year,’” she said.
From Washington Times ● Jun. 22, 2023
Theorists such as Roger Penrose, who won last year’s Nobel Prize in Physics, have conjectured that quantum effects underpin consciousness, but this theory is even more lacking in evidence than integrated information theory.
From Scientific American ● Aug. 14, 2021
PET sinks in seawater but some scientists have conjectured that plastic-eating bugs might one day be sprayed on the huge plastic garbage patches in the oceans to clean them up.
From The Guardian ● Apr. 16, 2018
Some have conjectured it to have been a hiding-place of smugglers.
From Nooks and Corners of the New England Coast by Samuel Adams Drake
