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
are often uncertain
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "are often uncertain" is correct and usable in written English.
It can be used to describe situations, feelings, or outcomes that lack clarity or confidence. Example: "The results of the experiment are often uncertain, leading to further investigation."
✓ Grammatically correct
Change events
People's feelings
God's existence
People's perception
Costs determination
Vaccination status
Taste and odor abatement
Bioprocess models
Risks associated with instabilities
Questions in a confusing world
Authority
Business outcomes
Reactions
Unit adjustment costs
Low carbon technologies
Dynamics of the system
Available elevation maps
Optimal casing point locations
Rain probability
Climate change
Information navigation
Land use
Experiences of violence
Evaluation scores in crisp AHP
Production planning
Travel arrangements
Application of concepts
Macroeconomic cooperation
Fitting into society
Entering treatment program
Political preferences
Alzheimer's resources
Responses to epidemic
Time available
Treatment strategies
Sight loss certification
Performance level to expect
Clinical diagnoses in death certificates
Estimates of correlation
Cropland intensity metrics
Outcomes of decisions
Pandemic influenza
Software programs adoption
Motivating primary care patients
Cause, therapy and prognosis of encephalitis
Indication for antimycotic therapy
Diabetes issues
Human bone structure
Correct dosing
Effects of health system interventions
Recovery and future infections
Multifactorial interventions
Genetic change
Doctors disclosing information
Alternative expressions(1)
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
55 human-written examples
Change events are often uncertain, unstable, stressful, and risky.
News & Media
Many people are often uncertain which verb to apply to their experience of attending a concert.
News & Media
They are often uncertain whether God exists, but they don't reject the possibility.
News & Media
We are often uncertain, confused, or even completely unaware of what we project.
News & Media
Carriers are often uncertain how to determine the costs of individual hauls.
Encyclopedias
Parents are often uncertain about the vaccination status of their children.
Science
Human-verified similar examples from authoritative sources
Similar Expressions
5 human-written examples
Many professors said they were often uncertain how to react.
News & Media
I am often uncertain how to behave toward them.
News & Media
Caseworkers, the report concluded, "were often uncertain about what the conferences were expected to accomplish".
News & Media
The question of who owns digital marketing in an organization is often uncertain.
News & Media
His friends and supporters were often uncertain what he would do.
News & Media
Expert writing Tips
Best practice
When using "are often uncertain", ensure the context clearly indicates what the subject is uncertain about. Providing specific details enhances clarity and avoids ambiguity.
Common error
Avoid using "are often uncertain" as a blanket statement without supporting evidence or specific examples. This can weaken your argument and leave the reader unconvinced.
Source & Trust
87%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "are often uncertain" functions as a predicate adjective, describing a state of doubt, ambiguity, or lack of clarity regarding a subject. Ludwig AI highlights its frequent usage across diverse contexts.
Frequent in
Science
39%
News & Media
34%
Formal & Business
5%
Less common in
Academia
3%
Encyclopedias
2%
Wiki
0%
Ludwig's WRAP-UP
The phrase "are often uncertain" is a versatile expression used to convey doubt, ambiguity, or a lack of clarity across a multitude of contexts. As Ludwig AI confirms, this phrase is grammatically correct and commonly used in both formal and informal settings. Its frequency is "very common", appearing most often in scientific and news-related articles. When writing, it's important to provide context so the subject of uncertainty is readily apparent. For more formal alternatives, consider phrases such as "are frequently ambiguous" or "are typically unclear". Avoid using the phrase as an overgeneralization without offering specific evidence.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
are frequently unsure
Replaces "often" with "frequently" and "uncertain" with "unsure", slightly altering the tone and emphasis.
are commonly doubtful
Substitutes "often" with "commonly" and "uncertain" with "doubtful", emphasizing a state of disbelief or skepticism.
are generally ambiguous
Replaces "often uncertain" with "generally ambiguous", focusing on the lack of clarity rather than the feeling of uncertainty.
are typically unclear
Substitutes "often uncertain" with "typically unclear", highlighting the lack of clarity or definition.
are regularly indefinite
Replaces "often uncertain" with "regularly indefinite", emphasizing the lack of specific limits or boundaries.
are habitually vague
Replaces "often uncertain" with "habitually vague", focusing on the lack of precision or detail.
frequently lack certainty
Changes the structure to emphasize the absence of certainty rather than the state of being uncertain.
are subject to doubt
Shifts the focus to an external force (doubt) acting upon the subject.
are prone to ambiguity
Highlights the tendency towards being ambiguous, suggesting an inherent quality.
are characteristically unresolved
Emphasizes that a state of uncertainty is a typical or defining feature.
FAQs
How can I rephrase "are often uncertain" to sound more formal?
In formal contexts, consider alternatives such as "are frequently ambiguous", "are typically unclear", or "are commonly doubtful" depending on the nuance you want to convey. The key is to maintain clarity while elevating the tone.
What's the difference between "are often uncertain" and "are always uncertain"?
"Are often uncertain" implies that uncertainty is frequent but not constant. "Are always uncertain", on the other hand, suggests a perpetual state of doubt or ambiguity. The choice depends on the degree of uncertainty you want to express.
When is it better to use "are often uncertain" versus "are sometimes uncertain"?
"Are often uncertain" suggests a higher frequency of uncertainty than "are sometimes uncertain". Use "are often uncertain" when uncertainty is a common occurrence, and "are sometimes uncertain" when it's less frequent.
What can I say instead of "are often uncertain" when describing a process?
When describing a process, consider alternatives like "are subject to variation", "are prone to error", or "exhibit variability". These options emphasize the process's inconsistency rather than a feeling of uncertainty.
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
4.5/5
Expert rating
Real-world application tested