difficult to prove

USAGE SUMMARY

The phrase "difficult to prove" is correct and usable in written English.
It can be used when discussing a claim, theory, or statement that lacks sufficient evidence or is challenging to substantiate. Example: "The hypothesis presented in the study is interesting, but it remains difficult to prove without further research."

✓ Grammatically correct

News & Media

Academia

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

That is difficult to prove.

The New York Times

First, collusion is darned difficult to prove.

The Economist

However, that is difficult to prove.

The Economist

"It is difficult to prove," he said.

Independent

Rape cases are difficult to prove.

The New Yorker

Discrimination would be difficult to prove.

The New York Times

Perjury is difficult to prove.

The New York Times

These hypotheses are difficult to prove out.

University of California, Berkeley

But such assertions are difficult to prove.

The New York Times

"This will be very difficult to prove".

The New York Times

Ownership of ideas is difficult to prove.

The Guardian - Lifestyle

Expert writing Tips

Best practice

When using "difficult to prove", ensure you clearly articulate what specific aspect is challenging to prove and why. Providing context enhances clarity.

Common error

Avoid presenting claims as definitive facts when they are "difficult to prove". Acknowledge the uncertainty and provide caveats.

Linguistic Context

The phrase "difficult to prove" functions as an adjective phrase modifying a noun or pronoun, expressing the degree of challenge in demonstrating the validity of a claim or statement. Ludwig AI analysis confirms this usage across diverse contexts.

Expression frequency: Very common

Frequent in

News & Media

47%

Academia

20%

Science

18%

Less common in

Encyclopedias

3%

Wiki

2%

Formal & Business

2%

Ludwig's WRAP-UP

In summary, "difficult to prove" is a common and grammatically correct phrase used to express that a claim or statement lacks sufficient evidence or is challenging to substantiate. As Ludwig AI indicates, it appears most frequently in news, academic, and scientific contexts. When using this phrase, clearly specify what is hard to prove and why. While alternatives like "hard to substantiate" and "challenging to verify" exist, "difficult to prove" maintains a balanced tone, suitable for various registers. Remember to qualify assertions appropriately and avoid overstating certainty when dealing with concepts "difficult to prove".

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

hard to substantiate

Focuses on the challenge of providing evidence to support a claim.

challenging to verify

Highlights the difficulty in confirming the truth or accuracy of something.

tough to demonstrate

Emphasizes the problem of showing something clearly or conclusively.

not easily proven

Simple rephrasing focusing on the ease of providing proof.

remains unproven

Shifts focus to the state of lacking proof rather than the difficulty of obtaining it.

lacks confirmation

Highlights the absence of validating evidence.

presents evidentiary challenges

Focuses on the obstacles encountered when trying to produce evidence.

verification is problematic

Focuses on the presence of issues when verifying something.

troublesome to validate

Emphasizes the difficulties in validating something.

elusive to confirm

Stresses the elusiveness of validating a claim.

FAQs

How can I use "difficult to prove" in a sentence?

You can use "difficult to prove" to describe a theory, claim, or statement that lacks sufficient evidence or is challenging to substantiate. For example: "The correlation between screen time and sleep quality is interesting, but it's "difficult to prove" without further research."

What can I say instead of "difficult to prove"?

You can use alternatives like "hard to substantiate", "challenging to verify", or "tough to demonstrate" depending on the context.

Which is correct, "difficult to prove" or "difficult to proof"?

"Difficult to prove" is the correct phrasing. "Proof" is a noun, while "prove" is the verb that means to demonstrate the truth of something. Therefore, "difficult to prove" is the appropriate phrase.

What's the difference between "difficult to prove" and "impossible to prove"?

"Difficult to prove" suggests that providing evidence is challenging but potentially achievable, whereas "impossible to prove" indicates that providing evidence is entirely unattainable. The former implies a hurdle, while the latter implies a barrier.