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
difficult to evaluate
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "difficult to evaluate" is correct and usable in written English.
It can be used to describe something that is not easily understood or judged. For example, "The ethics of this situation are difficult to evaluate."
✓ Grammatically correct
News & Media
Science
Formal & Business
Alternative expressions(17)
challenging to assess
hard to judge
complex to ascertain
not easy to determine
tough to measure
subject to interpretation
requires careful consideration
arduous to evaluate
tough to evaluate
difficult to explore
difficult to discuss
difficult to assess
difficult to appraise
difficult to interpret
difficult to decide
difficult to compare
difficult to conclude
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
Difficult to evaluate, advising remains a tertiary responsibility to professors.
News & Media
There's a mystery component that is really difficult to evaluate.
News & Media
The environmental impact has been more difficult to evaluate.
News & Media
The tasters also found the warmest cheese more difficult to evaluate.
News & Media
Keith Owens, a spokesman for Zurich North America, said the claim has been difficult to evaluate.
News & Media
It is difficult to evaluate the impact Archbishop Egan's remarks will have on the elections.
News & Media
Part of the reason is that the programme is difficult to evaluate.
News & Media
As innovations grow even more complex, it is increasingly difficult to evaluate the dangers ahead.
News & Media
But how these efforts will translate into influence at the ballot box is difficult to evaluate.
News & Media
Administrators find it difficult to evaluate homeless students for learning disabilities.
News & Media
Therefore, it is difficult to evaluate effective interventions.
Expert writing Tips
Best practice
Choose synonyms judiciously based on the specific nuance you wish to convey. "Assess", "judge", "measure", and "ascertain" can subtly alter the meaning.
Common error
Avoid stating that something is "difficult to evaluate" without providing specific reasons. This can weaken your argument and make your assessment seem arbitrary.
Source & Trust
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "difficult to evaluate" functions as an adjective phrase followed by an infinitive, modifying a noun or pronoun. It describes the characteristic of something being challenging to assess or judge. Ludwig provides numerous examples illustrating its usage in various contexts.
Frequent in
News & Media
41%
Science
40%
Formal & Business
10%
Less common in
Encyclopedias
2%
Wiki
1%
Academia
1%
Ludwig's WRAP-UP
The phrase "difficult to evaluate" is a common and grammatically correct expression used to describe something challenging to assess or judge. Ludwig AI confirms its usability in various contexts. It is frequently found in news, scientific, and formal business settings. Related phrases include "challenging to assess" and "hard to judge". When using this phrase, provide specific reasons for the difficulty in evaluation to strengthen your argument. Avoid overgeneralization without supporting evidence. Overall, "difficult to evaluate" is a versatile phrase for conveying complexity in assessment.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
challenging to assess
Replaces "difficult" with "challenging" and "evaluate" with "assess", offering a slight variation in wording while maintaining the core meaning.
hard to judge
Substitutes "difficult" with "hard" and "evaluate" with "judge", providing a more straightforward and common alternative.
not easy to determine
Rephrases the concept using a negative construction, emphasizing the lack of ease in determining something.
complex to ascertain
Uses more formal vocabulary, replacing "difficult" with "complex" and "evaluate" with "ascertain", suitable for academic or technical contexts.
problematic to gauge
Employs "problematic" instead of "difficult" and "gauge" in place of "evaluate", highlighting potential issues in the assessment process.
tough to measure
Swaps "difficult" with "tough" and "evaluate" with "measure", focusing on the challenges in quantifying something.
not straightforward to appraise
Indicates that appraisal process lacks straightforwardness.
subject to interpretation
Highlights the role of subjective view when judging.
requires careful consideration
Highlights the necessity of taking time to properly evaluate.
poses an evaluative challenge
Emphasizes evaluating as something that isn't easy.
FAQs
How can I use "difficult to evaluate" in a sentence?
You can use "difficult to evaluate" to describe situations, proposals, or performances that are not easily assessed or judged. For example, "The long-term effects of the policy are "difficult to evaluate"."
What are some alternatives to "difficult to evaluate"?
Depending on the context, you can use alternatives like "challenging to assess", "hard to judge", or "complex to ascertain".
Is it better to say "difficult to evaluate" or "hard to evaluate"?
Both "difficult to evaluate" and "hard to evaluate" are grammatically correct and widely understood. "Difficult" is slightly more formal, while "hard" is more conversational. The choice depends on the context and your desired tone.
What makes something "difficult to evaluate"?
Factors that can make something "difficult to evaluate" include a lack of clear data, conflicting information, subjective criteria, or long time horizons. For example, the success of a new marketing campaign can be "difficult to evaluate" if the metrics are not well-defined.
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
86%
Authority and reliability
4.5/5
Expert rating
Real-world application tested