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
hard to ascertain
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "hard to ascertain" is correct and usable in written English.
It can be used when discussing something that is difficult to determine or figure out. Example: "The reasons for the sudden change in policy are hard to ascertain without further information."
✓ Grammatically correct
News & Media
Science
Formal & Business
Alternative expressions(19)
difficult to determine
challenging to figure out
not easy to establish
difficult to ascertain
obscure to discern
hard to discuss
hard to assess
tough to ascertain
hard to identify
harder to ascertain
challenging to ascertain
hard to establish
hard to corroborate
hard to pinpoint
hard to imagine
hard to satisfy
hard to convince
hard to determine
hard to discover
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
Even the smallest details seemed hard to ascertain.
News & Media
The source of the pressure is not hard to ascertain.
Until then, his true colours remain hard to ascertain.
News & Media
Exactly how good Mr. Rangel's Spanish is proved hard to ascertain, though.
News & Media
But it is hard to ascertain Milicic's value because he rarely plays.
News & Media
Of course, these are observational studies, and as such causation can be hard to ascertain.
News & Media
The background and the role of these representatives may also be hard to ascertain.
News & Media
On visits this week, the degree of veteran involvement at some carts was hard to ascertain.
News & Media
Quite what he and the other singer are saying is hard to ascertain.
News & Media
-It's hard to ascertain what scheduling the robot did and how it did it.
Creating norms to curb cyberattacks is difficult enough because the attackers' identities are hard to ascertain.
News & Media
Expert writing Tips
Best practice
Use "hard to ascertain" when you want to emphasize the difficulty in obtaining accurate or reliable information. It is suitable for formal and neutral contexts.
Common error
While grammatically correct, "hard to ascertain" may sound overly formal in casual conversations. Opt for simpler alternatives like "hard to tell" or "difficult to figure out" for everyday use.
Source & Trust
84%
Authority and reliability
4.6/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "hard to ascertain" functions as an adjectival phrase modifying a noun or pronoun. It indicates the degree of difficulty in determining or establishing something. Ludwig AI examples confirm its usage in various contexts.
Frequent in
News & Media
48%
Science
34%
Formal & Business
7%
Less common in
Wiki
2%
Academia
2%
Reference
0%
Ludwig's WRAP-UP
In summary, the phrase "hard to ascertain" is a grammatically sound and frequently used expression signifying difficulty in determining or establishing something. Ludwig AI confirms that it is most prevalent in news and media, and scientific contexts, and it is suitable for neutral to formal communication. While it is a correct and usable phrase, remember to consider simpler alternatives like "difficult to determine" or "challenging to figure out" in more informal settings.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
difficult to determine
Focuses on the challenge in reaching a definite conclusion.
challenging to figure out
Emphasizes the effort required to understand or solve something.
not easy to establish
Highlights the complexity in proving or setting up something.
tough to make out
Suggests obscurity or lack of clarity in perceiving something.
obscure to discern
Indicates that something is hidden or not easily noticeable.
elusive to pinpoint
Implies that something is hard to locate or identify precisely.
difficult to verify
Highlights the problem in confirming or validating something.
not clear to understand
Emphasizes a lack of comprehension or transparency.
hard to get to the bottom of
Suggests that extensive investigation is needed.
beyond one's ken
Refers to something beyond one's understanding or knowledge.
FAQs
How can I use "hard to ascertain" in a sentence?
You can use "hard to ascertain" when describing something that is difficult to determine or discover. For example, "The motive behind his actions was "hard to ascertain"."
What are some alternatives to "hard to ascertain"?
Some alternatives include "difficult to determine", "challenging to figure out", or "not easy to establish" depending on the specific context.
Is it more appropriate to use "hard to ascertain" or "difficult to ascertain"?
"Hard to ascertain" and "difficult to ascertain" are largely interchangeable. The choice depends on personal preference, although "difficult" might be perceived as slightly more formal.
What's the difference between "hard to ascertain" and "hard to verify"?
"Hard to ascertain" implies difficulty in discovering or establishing something as fact, while "hard to verify" indicates difficulty in confirming the truth or accuracy of something already presented.
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
84%
Authority and reliability
4.6/5
Expert rating
Real-world application tested