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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
surmise
Grammar usage guide and real-world examplesUSAGE SUMMARY
'surmise' is a correct and usable word in written English.
You can use it to express an opinion or guess based on incomplete or unreliable information. Example sentence: "I surmised that he was not telling me the truth, based on his shifty expression."
✓ Grammatically correct
News & Media
Encyclopedias
Science
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
60 human-written examples
Clearly Curtis had had enough of Tate Britain: one might surmise that she found the politics at the Tate to be intractable: after all she had the temerity to be not only a woman, but a Scot.
News & Media
We can only surmise the PR offensive has come ahead of the screening in Australia of the HBO documentary Going Clear: Scientology and the Prison of Belief, which alleges abuses and corruption in the church.
News & Media
Echoes of Tiananmen The main question burning in the minds of most Hong Kongers is how this will all end – and almost everyone involved can surmise a worst-case scenario.
News & Media
Throughout the novel the certainty of the land, the "busy, kindly, scented universe of crops and the unerring traces of its calendar", is set against the human urge to shape the world into stories, to guess and theorise and surmise.
News & Media
It did not require too great an intellect to surmise this selection nor the reason why they wished to put him under the particular scrutiny of batting against his nemesis Australians rather than the cosiness of his England chums.
News & Media
I would surmise from this that he is perhaps a leading intellectual but also something of a status-obsessed boob.
News & Media
UKRAINE, it is safe to surmise, is not top of many tourists' must-visit destinations at the moment.
News & Media
Pundits surmise that getting such a complex device to work properly has been one of the reasons why Sirius had to delay its launch.
News & Media
The impenetrability of Itera's finances and ownership has led some cynics to surmise that its beneficial owners may be connected in some way to Gazprom's top management.Although Gazprom insists that Itera earns every penny through its expertise in gas brokerage, many aspects of the two firms' relationship defy easy explanation.
News & Media
They surmise that inflation in services is being underestimated, causing real growth to be overstated.
News & Media
The odd pangs and pains in my own body I now surmise to be Death knocking, or leaving a calling card, with a promise to come back later.Is this morbid?
News & Media
Expert writing Tips
Best practice
Use "surmise" when you want to express an opinion or belief based on incomplete or suggestive evidence. It implies a degree of uncertainty and is suitable for situations where you are making an educated guess.
Common error
Avoid using "surmise" when you have concrete evidence or certain knowledge. "Surmise" indicates a lack of definitive proof, so it's not appropriate when you're stating a fact.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The primary grammatical function of "surmise" is as a verb, indicating the act of forming a conjecture or making an educated guess. Ludwig shows examples where it introduces a degree of uncertainty or speculation.
Frequent in
News & Media
45%
Encyclopedias
20%
Science
15%
Less common in
Formal & Business
10%
Wiki
5%
Reference
5%
Ludwig's WRAP-UP
In summary, "surmise" is a versatile verb used to express a degree of conjecture or assumption based on incomplete information. Ludwig AI indicates that "surmise" is grammatically correct and commonly used, particularly in formal writing contexts like news, encyclopedias, and scientific publications. While similar to "guess" or "assume", "surmise" often carries a more thoughtful or reasoned inference. Remember to use it when you're making an educated guess, and avoid it when stating a definitive fact.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
conjecture
Suggests forming an opinion or supposition about something on the basis of incomplete information, almost synonymous with "surmise" but perhaps sounding slightly more formal or literary.
speculate
Emphasizes forming a theory or conjecture without firm evidence, closely related to "surmise" but potentially implying a more exploratory or imaginative approach.
assume
Suggests taking something for granted without proof, overlapping with "surmise" but potentially implying a stronger degree of belief or acceptance.
infer
Suggests drawing a conclusion from indirect evidence or reasoning, similar to "surmise" but often implying a more subtle or nuanced understanding.
hypothesize
Suggests proposing an explanation as a basis for further investigation, often used in scientific or academic contexts and more formal than "surmise".
presume
Implies supposing something to be true based on probability or likelihood, similar to "assume" but often carrying a stronger sense of expectation or entitlement.
deduce
Involves drawing a logical conclusion from evidence or reasoning, often implying a more structured or formal process than "surmise".
posit
Implies putting forward an idea or argument as a starting point, more formal than "surmise" and often used in philosophical or academic discussions.
conclude
Implies reaching a decision or judgment based on available information, suggesting a higher degree of certainty than "surmise".
guess
Indicates making a judgment or estimation without sufficient information, less formal than "surmise" and often implying a lower level of confidence.
FAQs
How can I use "surmise" in a sentence?
You can use "surmise" to indicate a guess or inference based on limited evidence. For example, "I "surmise" that he's not telling the truth because he avoids eye contact."
What are some alternatives to the word "surmise"?
Alternatives to "surmise" include "infer", "speculate", "guess", "assume", and "conjecture". The best choice depends on the context and the degree of certainty you want to convey.
Is it more formal to use "surmise" or "guess"?
"Surmise" is generally considered more formal than "guess". While both words indicate a lack of certainty, "surmise" often suggests a more thoughtful or reasoned inference, while "guess" can imply a less informed or more casual judgment.
What's the difference between "surmise" and "assume"?
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested