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
best guess
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "best guess" is correct and usable in written English.
It is typically used when providing an estimate or opinion based on limited information or uncertainty. Example: "Given the data we have, my best guess is that the project will take about three months to complete."
✓ Grammatically correct
News & Media
Science
Academia
Alternative expressions(20)
projected outcome
best benefit
reasoned conclusion
sound judgment
best conclusion
valid inference
informed estimation
best development
best complexity
sensible prediction
preliminary assessment
tentative conclusion
random guess
deductive reasoning
rough estimate
informed estimate
decent guess
logical guess
closest estimate
educated guess
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
That's her best guess.
News & Media
The best guess?
News & Media
"That's our best guess".
News & Media
Take your best guess.
News & Media
My best guess is dying.
News & Media
BEST GUESS Boise goes undefeated.
News & Media
Q: Just your best guess.
News & Media
My best guess is 50.
News & Media
My best guess was thirty".
News & Media
Her best guess is November.
News & Media
His best guess: "Just a nutter".
News & Media
Expert writing Tips
Best practice
When offering a "best guess", acknowledge the uncertainty involved. Use qualifying language like "to the best of my knowledge" or "based on current information".
Common error
Avoid presenting a "best guess" as a definitive fact. Clearly indicate that it's an estimate based on incomplete information to maintain credibility.
Source & Trust
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "best guess" functions as a noun phrase, typically used as a subject complement or object. It modifies nouns and it expresses an opinion or an estimation. As Ludwig AI confirms, this phrase is correct and usable in written English.
Frequent in
News & Media
70%
Science
15%
Academia
10%
Less common in
Formal & Business
5%
Encyclopedias
0%
Reference
0%
Ludwig's WRAP-UP
The phrase "best guess" is a common and versatile expression used to convey an opinion or estimate based on limited information. As Ludwig AI confirms, it's grammatically sound and appropriate for various contexts. While widely used in news and media, it also finds application in scientific and academic settings. When using "best guess", it's important to acknowledge the inherent uncertainty and avoid presenting it as a definitive fact. Alternatives such as "educated guess" or "informed estimate" can provide a more precise nuance depending on the situation.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
educated guess
Implies a guess based on some level of knowledge or information, making it slightly more informed.
informed estimate
Suggests a careful calculation or judgment based on available data, emphasizing accuracy.
closest estimate
Highlights the attempt to provide the most accurate prediction possible, focusing on minimizing error.
rough estimate
Indicates an approximate calculation, acknowledging potential inaccuracy.
tentative conclusion
Emphasizes the provisional nature of the assessment, open to revision with new information.
preliminary assessment
Suggests an initial evaluation, often subject to further investigation and refinement.
working hypothesis
Used in scientific contexts to denote a proposed explanation used as a basis for further investigation.
most probable explanation
Focuses on identifying the most likely reason or cause among several possibilities.
reasonable assumption
Implies a belief accepted as true as a basis for reasoning, often without definitive proof.
projected outcome
Highlights a prediction based on current trends and data, commonly used in forecasting.
FAQs
How can I use "best guess" in a sentence?
You can use "best guess" when providing an estimate or opinion based on limited information. For example, "My "best guess" is that the project will be completed by the end of the month."
What can I say instead of "best guess"?
You can use alternatives like "educated guess", "informed estimate", or "closest estimate" depending on the context.
Is it appropriate to use "best guess" in formal writing?
While "best guess" is acceptable, more formal alternatives such as "most probable explanation" or "reasonable assumption" may be more suitable for academic or professional contexts.
How accurate should a "best guess" be?
A "best guess" is inherently an estimate, so complete accuracy isn't expected. However, it should be based on the available information and reflect a considered judgment, acknowledging the potential for error.
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
88%
Authority and reliability
4.5/5
Expert rating
Real-world application tested