is proof enough

USAGE SUMMARY

"is proof enough" is correct and can be used in written English.
This phrase is typically used when providing convincing evidence or convincing someone that something is true. For example: "The written testimony of the eyewitness is proof enough that the suspect was at the scene of the crime."

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

response itself is proof enough of that folly".

The New York Times

But as Lustig says, "This study is proof enough that sugar is toxic.

The New York Times

For some, an improved sense of well-being is proof enough.

The New York Times

Mr. Garner's own reverie while packing the books into boxes is proof enough.

The New York Times

Reclaiming these spaces and managing them justly and collectively is proof enough of our legitimacy.

The Guardian - Opinion

But for some parents and coaches, what they have witnessed is proof enough.

The New York Times

It is proof enough that something is moving in the Hayward.

The New York Times - Arts

Our dangerously growing state debt burden alone is proof enough of that.

The New York Times

It is as if weathering time is proof enough that his work is not just schmaltz.

The New York Times - Arts

Surely the solidarity Japan received after the earthquake and tsunami of 2011 is proof enough of its international prestige.

The New York Times

He's popular as a governor — the electoral record is proof enough of that — but not as a presidential candidate.

The New York Times

Expert writing Tips

Best practice

Use "is proof enough" when you want to strongly assert that something provides sufficient confirmation or evidence to support a claim. It's best used when the evidence is considered compelling.

Common error

Avoid using "is proof enough" if the evidence is circumstantial or open to interpretation. Overstating the strength of the evidence can weaken your argument. Ensure the evidence is genuinely conclusive before using this phrase.

Linguistic Context

The phrase "is proof enough" functions as a predicate nominative, linking a subject to a noun or noun phrase that renames it and asserts that something serves as sufficient evidence. Ludwig AI's analysis and the numerous examples confirm its role in providing strong affirmation.

Expression frequency: Very common

Frequent in

News & Media

78%

Science

12%

Formal & Business

10%

Less common in

Encyclopedias

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

The phrase "is proof enough" is a commonly used expression to indicate that something provides sufficient evidence to support a claim. Ludwig AI confirms that the phrase is grammatically correct and widely accepted. It is frequently found in news and media, as well as in scientific and formal business contexts. Alternatives such as "is sufficient evidence" or "is conclusive evidence" can be used depending on the specific context and desired level of emphasis. When using this phrase, ensure that the evidence genuinely supports the assertion being made to avoid overstating the case.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

is sufficient evidence

Focuses on the evidence being adequate rather than the concept of proof.

is conclusive evidence

Emphasizes the evidence as definitive and irrefutable.

serves as adequate proof

Highlights the function of something as providing sufficient proof.

constitutes sufficient proof

Similar to 'serves as adequate proof' but with a slightly more formal tone.

is ample demonstration

Replaces 'proof' with 'demonstration', suggesting a showing of evidence.

is a clear indication

Indicates that something clearly points to a particular conclusion, softening the definitiveness of 'proof'.

is ample confirmation

Implies that something provides strong support or verification.

is more than enough evidence

Stresses the abundance of evidence.

is a compelling argument

Focuses on the persuasiveness of the evidence rather than strict proof.

is sufficient to establish

Highlights that something is adequate to establish or prove a claim.

FAQs

How can I use "is proof enough" in a sentence?

Use "is proof enough" to assert that something provides sufficient confirmation or evidence for a claim. For example: "The eyewitness testimony "is proof enough" to convict the suspect".

What are some alternatives to "is proof enough"?

Alternatives include "is sufficient evidence", "is conclusive evidence", or "serves as adequate proof", depending on the context.

When is it inappropriate to use "is proof enough"?

It's inappropriate when the evidence is weak, circumstantial, or open to multiple interpretations. Using "is proof enough" requires a high level of certainty.

What makes "is proof enough" a strong statement?

The phrase asserts that the evidence provided is not just suggestive, but definitive and convincing. It leaves little room for doubt or alternative explanations.