Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
speculate with
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "speculate with" is not commonly used in written English and may sound awkward in certain contexts.
It can be used when discussing theories or ideas that involve conjecture or guesswork, typically in a collaborative or interactive manner. Example: "During the meeting, we began to speculate with our colleagues about the potential outcomes of the project."
News & Media
Science
Alternative expressions(8)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
43 human-written examples
"I speculate with reinforced concrete.
News & Media
They can speculate with it in the stock market.
News & Media
On some things we can speculate with a degree of certainty.
News & Media
"About the worst thing you can speculate with is hunger," said David Roth, president of Switzerland's Young Socialists.
News & Media
The banks hated this because it would have meant setting aside billions they were otherwise free to speculate with.
News & Media
A period of rising markets and steady economic growth creates the incentive for investors to speculate with borrowed money.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
16 human-written examples
The specifications haven't been released, but the industry is speculating with keen interest.
News & Media
They must have been formed, she speculates with an anguished wonder, by the paths of tears.
News & Media
In essence, they went from real banking to moving around and speculating with pieces of paper.
News & Media
When one no-trump was passed around to Helgemo (East), he speculated with a double.
News & Media
Ely Culbertson, who was West, speculated with a double, and Jacoby carried on to seven hearts.
News & Media
Expert writing Tips
Best practice
When using "speculate with", ensure the context clearly indicates that you're discussing theories or ideas involving conjecture in a collaborative or interactive way. If the context is unclear, consider more common alternatives like "speculate about" or "speculate on".
Common error
Avoid using "speculate with" in highly formal or academic writing. Opt for more precise and widely accepted alternatives like "hypothesize", "theorize", or "conjecture" to maintain a professional tone.
Source & Trust
87%
Authority and reliability
3.8/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "speculate with" primarily functions as a verb phrase indicating the act of forming theories or conjectures, often in collaboration or interaction with others. This is seen in Ludwig examples where people are "speculating with" money or ideas.
Frequent in
News & Media
60%
Science
32%
Formal & Business
4%
Less common in
Wiki
4%
Academia
0%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, while grammatically sound, the phrase "speculate with" is not the most conventional choice. As highlighted by Ludwig, it conveys the act of making conjectures, often collaboratively. It's most commonly found in News & Media and Science contexts, suggesting a relatively neutral register. However, Ludwig AI points out that "speculate with" might sound awkward, and it is acceptable but suggests opting for more common alternatives like "speculate about" or "speculate on" for increased clarity and wider acceptance. Using more precise alternatives ensures a professional and widely-understood tone in formal and academic settings. Remember to consider your audience and context when choosing the most appropriate phrasing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
conjecture about
Focuses on forming opinions or judgements on incomplete or uncertain information.
theorize on
Suggests a more formal or academic approach to speculation.
guess at
Emphasizes a lack of certainty and reliance on intuition or incomplete evidence.
surmise regarding
Indicates an inference based on limited information, often with a formal tone.
posit about
Implies putting forward an idea or theory for consideration or discussion.
hypothesize concerning
Suggests a scientific or investigative approach to speculation.
venture a guess on
Emphasizes the risk or uncertainty involved in making a guess.
hazard a theory about
Indicates proposing a theory with some reservation or uncertainty.
dare to suggest
Implies a hesitant or bold suggestion.
risk an opinion on
Highlights the potential for criticism or disagreement when expressing an opinion.
FAQs
What does "speculate with" mean?
"Speculate with" suggests engaging in conjecture or guesswork, often implying a collaborative or interactive process of theorizing about something.
Is "speculate with" grammatically correct?
While grammatically acceptable, "speculate with" is not the most common phrasing. Alternatives like "speculate about" or "speculate on" are often preferred for clarity and broader acceptance.
When should I use "speculate with"?
Use "speculate with" when you want to emphasize the collaborative or interactive aspect of theorizing. However, consider whether "conjecture about" or a similar phrase might be more appropriate depending on the context.
What are some alternatives to "speculate with"?
Alternatives include "theorize on", "guess at", or "surmise regarding", which can provide a more formal or precise tone depending on the specific meaning you want to convey.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
87%
Authority and reliability
3.8/5
Expert rating
Real-world application tested